Information about Asia and the Pacific Asia y el Pacífico
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9 Making Tax Policy Pro-Growth

Author(s):
Catriona Purfield, and Jerald Schiff
Published Date:
August 2006
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Information about Asia and the Pacific Asia y el Pacífico
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Author(s)
Hélène Poirson

Despite recent reforms to the personal and corporate income taxes and the introduction of a state value-added-tax (VAT) on goods in April 2005, India’s competitiveness is hampered by the complexities and distortions of the domestic tax system. The tax system remains characterized by high marginal rates and a narrow tax base. The average tax intake and tax productivity are low by international standards, reflecting widespread tax evasion and—as discussed in Chapter 8—exemptions and tax holidays for various sectors and regions. Moreover, despite significant trade liberalization in recent years, India continues to rely heavily on trade taxes as a source of revenue. Trade taxes account for 12 percent of general government revenue, three times higher than the average for nonmember countries of the Organization for Economic Cooperation and Development (OECD).

A significant concern as India contemplates further liberalization—whether in the context of new regional and bilateral trade agreements or multilateral tariff reduction under the Doha round—is the potential impact on tax revenues. To ensure that any trade tax revenue losses are recouped, while maintaining the gains from the trade reform itself, the government’s 2004 Fiscal Responsibility and Budget Management Act (FRBMA) road map envisages lower statutory personal and corporate income tax rates, the elimination of most exemptions and tax incentives, and the introduction of a national goods and services tax (GST) to both help improve tax revenue productivity and enhance economic efficiency.

The envisaged reforms, if implemented as a package, would not only help replace lost trade revenues but also make the tax system more investment friendly and less biased against exports. In particular, cuts in corporate and personal tax rates accompanied by base broadening to mitigate the revenue loss would help improve savings and investment rates, which are low by regional standards.1 The introduction of a destination-based GST, by shifting the burden of indirect taxation from manufacturing to consumption, would enhance India’s export prospects and increase India’s attractiveness as an investment destination by contributing to the formation of a single internal Indian market.

While the empirical evidence is mixed and results are not robust, crosscountry studies generally confirm the negative impact of a high tax burden on economic activity. Firm-level evidence and simulation results are the most conclusive, supporting the view that high tax rates have an adverse effect on growth and distort financing and investment decisions (Box 9.1). High tax rates may also contribute to the growth of the “shadow economy,” carrying costs in terms of forgone tax receipts and lower productivity growth (Farrell, 2004; and Schneider and Klinglmair, 2004).

This chapter explores how tax policy can help generate a revenue-led adjustment while enhancing India’s competitiveness and investment prospects. It first examines revenue performance in recent years and finds that it is characterized by (1) a continued high dependence on indirect taxes despite recent reforms, (2) low average effective tax rates and low tax productivity, and (3) high marginal tax rates and tax-induced distortions on investment and financing decisions. The next section finds that further reforms envisaged in the FRBMA road map would simultaneously improve tax productivity and lower the marginal tax burden and tax-induced distortions, but firms that rely on internal sources of funds or face problems borrowing would continue to face high marginal tax rates.

The Indian Tax System: Recent Revenue Performance and Issues

The Tax System

The authority to levy taxes in India is divided between the central government and the state governments. The central government levies direct taxes such as personal income tax (PIT) and corporate income tax (CIT); indirect taxes such as customs and excise duties and a service tax; and a sales tax on interstate trade (central sales tax (CST)). States levy a VAT on goods, state sales taxes, and various local taxes. As in other developing countries, tax incentives feature prominently in India, with tax holidays being the preferred form of incentives (see Chapter 8). Such incentives may be important for some companies to offset other costs of doing business in India—such as still relatively high import duties, restrictive labor laws, and inadequate public infrastructure—but an unfortunate outcome has been to thin out the overall direct and indirect tax bases (Shome, 2004).

Since 1991, the tax structure has been substantially rationalized. Changes at the central government level include reducing customs and excise duties, lowering CIT rates, extending a form of VAT to some industries, and broadening the tax base to some services (Box 9.2). At the state level, the main reform has been the introduction in 2005 of the VAT—now in all but two states—after 10 years of delay.

Box 9.1.Empirical Evidence on Taxation and Growth

High labor taxation can have a negative impact on employment and growth by pushing up labor costs. In the presence of strong and decentralized labor unions, labor taxes are shifted into real wages, reducing labor demand; this, in turn, leads to substitution away from labor and downward pressure on the marginal product of capital, reducing investment and growth. Empirical evidence for European Union (EU) countries confirms this view.1 High marginal effective tax rates (due to the combination of tax and benefit systems) can also affect labor supply decisions by affecting the choice between additional work and leisure.2

Consumption taxes should not in theory affect savings and investment decisions since future and current consumption are treated equally, and they remain neutral with respect to various sources of income. Empirical evidence is mixed, however. Some studies find that such taxes indeed have no impact on employment and growth,3 but others find that—like income taxes, although to a lesser extent—they have a negative impact on growth by distorting the choice between labor and leisure, and also could depress savings.4

Corporate taxes raise the required rate of return on investment and thereby depress investment. In addition, corporate taxes tend to favor debt over equity financing or retained earnings, potentially leading to an inefficient allocation of resources, higher insolvency risks, and discrimination against smaller companies that face more difficulties borrowing. Corporate taxes are also distortionary given the widespread use of rebates, exemptions, and special regimes for specific sectors or regions. This also benefits large companies that can lower their tax burden through tax planning and fiscal engineering.5 Cross-country studies confirm a negative link between the tax burden (measured by tax revenue as a share of GDP) and growth for high-income countries, although the result does not hold for low- and middle-income countries, perhaps reflecting measurement problems.6 Firm-level empirical results, as well as simulation results using computable general equilibrium models, also support the view that higher taxes negatively affect growth.7

Taxation of capital income—even when at a low level—appears to have a distortionary effect on savings. Cross-country studies find little evidence for the EU that taxes affect the aggregate level of savings, but they appear to influence its composition and location. Many EU countries tend to grant favorable treatment to specific savings instruments, such as retirement schemes and housing investment. Moreover, they generally apply a preferential treatment to nonresidents, thus distorting saving flows and potentially enhancing tax evasion possibilities associated with cross-border investment.8

1 See Daveri and Tabellini (2000).2 For example, see Organization for Economic Cooperation and Development (2001).3 See Daveri and Tabellini (2000) and Kneller, Bleaney, and Gemmell (1999).4 For example, see Milesi-Ferretti and Roubini (1995) and Tanzi and Zee (2000).5 See Rao and Lukose (2002); Organization for Economic Cooperation and Development (2001); Joumard (2002); and Nicodème (2002).6 See Blankenau and Simpson (2004). The marginal or effective tax rate on corporates ideally should be used.7 See Fisman and Svensson (2000) and Feltenstein and Shah (1995).8 See Organization for Economic Cooperation and Development (2001).

How Has Revenue Performed in Recent Years?

After declining below 14 percent of GDP in 2001/02, India’s general government tax revenue rebounded to 16¾ percent of GDP in 2005/06. This exceeds the average for Asian emerging market countries by 3½ percentage points but is 3¾ percentage points below the average for all emerging market countries. The decline in revenue in the 1990s occurred as major tax reforms were implemented, aimed at improving the buoyancy of revenues and increasing the share of direct taxes in total revenues. Direct tax revenues increased, but indirect tax collections declined, mainly due to tariff reductions.

Recent reforms have had some success in reversing the declining trend of revenues. The peak tariff reduction for nonagricultural imports advocated by the 2002 Kelkar committee reports on direct and indirect taxation (Box 9.3) was fully implemented but the revenue loss was more than offset by buoyant corporate tax collections. PIT revenues rose as a share of GDP, but only marginally, reflecting the extension of further exemptions, deductions, and rebates, while excise revenues as a share of GDP remained broadly unchanged. The states succeeded in raising sales tax collections, and, as mentioned earlier, a VAT was introduced in 2005.

Box 9.2.Main Features of the Tax System (December 2005)

The principal direct taxes include PIT and CIT, state taxes on agricultural income, wealth tax, and various withholding taxes. The PIT is levied on non-agricultural income at rates of 10 percent to 31.5 percent. It applies to Indian residents and foreigners, on income earned in India. The exemption threshold of Rs 111,250 ($2,472) results in a relatively narrow tax base of about 40 million taxpayers. States levy some taxes on agricultural income (land revenue tax and agricultural income tax), but their combined incidence is considerably less than that of the PIT. A wealth tax is levied on net assets in excess of Rs 1.5 million (about $33,000). The CIT is levied at a rate of 33.66 percent for domestic companies (including surcharges), but with significant exemptions. Other corporate taxes include a 12.75 percent tax (including surcharges) on dividend distribution, a minimum alternative tax on profits, a tax on fringe benefits, and various withholding taxes on interest, royalties, and so on.

The main indirect taxes are the state VAT and sales taxes, central customs and excise duties, central service tax, and CST. The state VAT and sales taxes are levied on intrastate trade and the CST on interstate trade, at a rate that varies depending on the type of transaction and good. In VAT-implementing states, the VAT rates are 1, 4, and 12.5 percent. Sales taxes are also levied on specific items (e.g., petroleum products). The two states that have not implemented a VAT continue to levy state sales taxes. The center levies customs duties and a central excise duty (CENVAT) on goods manufactured or produced in India at a single rate of 16 percent, with some exceptions. The CENVAT base is truncated to manufacturing and eroded by a complex and extensive system of exemptions, including for small-scale industries and special economic zones. A service tax is levied by the center on some 71 services at a rate of 12 percent. Other minor taxes and duties imposed at both center and state level include stamp duty, taxes on land and buildings, and taxes on motor vehicles.

Despite reforms, the tax structure remains dominated by indirect taxes. The share of revenue from indirect taxes exceeds two-thirds, slightly above the average for emerging Asian economies, and significantly above the average for all emerging market countries (54 percent). State taxes on commodities and services are the prominent source of general government revenue (representing nearly a third of the total tax intake), followed by central government excises (one-fifth of the total) (Table 9.1).

Table 9.1.Structure of General Government Tax Revenue, 2004/05
In Billions of RupeesIn Percent of GDPIn Percent of Total
Central government3,049.89.862.4
Corporate tax835.72.717.1
Income tax483.11.69.9
Excises991.63.220.3
Customs576.61.911.8
Other1162.90.53.3
States and union territories21,834.75.937.6
Taxes on income16.40.10.3
Taxes on property and capital transactions215.30.74.4
Taxes on commodities and services1,602.95.232.8
Total4,884.515.7100.0
Sources: Indian authorities; and IMF staff estimates.

Mostly service tax.

IMF staff estimates based on projected GDP growth and historical elasticities.

Sources: Indian authorities; and IMF staff estimates.

Mostly service tax.

IMF staff estimates based on projected GDP growth and historical elasticities.

Box 9.3.Kelkar 2002 Reports’ Proposals

As part of its overall reform agenda, the government in 2002 set up a tax reform task force (Kelkar task force) to propose a far-reaching reform agenda for direct and indirect taxes.1 Proposals centered around the following elements.

  • A change in the exemption level and rate structure of the personal income tax and broadening of the base, as well as the elimination of most exemptions and replacement of allowances by credits. A proposed constitutional amendment would allow the central government to tax agricultural income. The general exemption would be increased, the number of brackets reduced, and the highest marginal rate reduced to 30 percent. A range of special deductions would be eliminated with some converted into credits. The report also proposed changes to the taxation of capital income, specifically exempting dividends from Indian companies and long-term capital gains on equity.
  • A reduction in the rate and in the large number of deductions and exemptions of the corporate income tax. The rate would be reduced from 35 percent (net of 2 percent surcharge) to 30 percent for domestic companies and from 40 percent to 35 percent for foreign companies. The minimum alternate tax would be eliminated.
  • A rationalization of the import tariff structure and export promotion schemes. The existing 20 tariff rates, ranging up to 182 percent, would be reduced to a range of 0–20 percent for most goods, with higher rates—up to 150 percent—for certain agricultural products and “demerit” goods. Exemptions would be significantly narrowed.
  • Broadening the base of the CENVAT and moving it further toward a VAT.
1 See Ministry of Finance (2002a and 2002b).

The overall tax burden on labor and capital income, as measured by the average effective tax rate (AETR), is low compared to advanced economies and higher-income emerging market countries in the region.2 The AETR on labor, at 2 percent in 2001, is much lower than in the European Union, United States, or Japan, which range from 21 percent to 36 percent (Table 9.2).3 This reflects India’s narrow effective tax base and the lack of a social security system. The AETR on capital income is also low, owing to the wide coverage of tax incentives, low personal taxes on capital income, and a large informal sector. The operating surplus of unincorporated enterprises (a proxy for the share of the informal sector) accounted for three-quarters of the operating surplus of the economy in 2000/01. India’s low AETRs on capital and labor match those of other low-income countries in the region (Sri Lanka and China), but are much below those of higher-income emerging market countries such as Korea and Thailand (Figure 9.1). These results suggest ample room for AETRs to increase further in India as income levels rise, without adversely affecting competitiveness. India’s AETR on consumption is broadly average despite a tax base that largely excludes services. As in other countries in Asia, it has declined over time.

Table 9.2.Comparison of Average Effective Tax Rates, 1990–2000(In percent)
Average Effective Tax RateTotal Tax Wedge
LaborCapitalConsumptionon Labor1
India21.65.215.015.9
Australia20.930.712.130.5
Austria39.624.316.251.2
Belgium41.332.715.051.7
Canada29.636.813.939.4
Czech Republic41.521.613.047.2
Denmark39.939.520.656.0
Finland45.026.018.758.0
France40.533.215.151.3
Germany35.021.213.444.9
Greece34.912.915.546.5
Hungary14.722.2
Ireland26.321.241.9
Italy37.731.013.947.9
Japan24.127.96.429.4
Korea9.916.715.824.2
Netherlands36.432.718.047.9
New Zealand25.118.538.9
Norway36.224.725.752.5
Poland20.917.1
Portugal23.917.619.939.0
Spain30.720.014.540.8
Sweden49.635.719.859.6
Switzerland30.927.19.337.3
United Kingdom22.634.015.734.8
United States23.427.36.428.3
Unweighted average32.426.515.943.4
EU15 average38.028.717.848.9
Sources: Carey and Rabesona (2002); and IMF staff estimates for India.

Combined effective tax rate on labor and consumption.

Average 1993–2000, based on data availability.

Sources: Carey and Rabesona (2002); and IMF staff estimates for India.

Combined effective tax rate on labor and consumption.

Average 1993–2000, based on data availability.

Figure 9.1.Selected Asian Countries: Average Effective Tax Rates (AETRs) on Labor, Capital, and Consumption

(In percent)

Source: Country authorities; and IMF staff estimates.

AETRs are relatively low in India mainly owing to low tax productivity.4 For example, CIT tax productivity is much below the average for both OECD and non-OECD countries, reflecting a tax base thinned out by exemptions and widespread tax evasion (Table 9.3 and Table 9.4).5 This suggests ample scope for increasing revenue without raising rates, via expansion of the taxpayer net, lifting of exemptions, and stepped-up tax administration. During the period 1993–2001, India increased AETRs on labor and capital despite reductions in statutory rates and continued widespread exemptions. This suggests that improved tax administration and compliance was the main factor underlying the improvement in tax productivity and resulting rise in AETRs.

Table 9.3.Revenue Productivity of the Corporate Tax, 2001(In percent)
Statutory CIT RateEffective CIT RateRevenue Productivity1
India35.93.59.7
France33.38.926.8
Germany38.92.15.3
Italy37.06.718.2
Japan40.98.721.2
Korea29.79.632.4
United Kingdom30.09.932.9
United States245.85.311.6
OECD average32.39.629.7
Sources: Standard & Poor’s; and IMF staff estimates for India and Korea.

Ratio of effective CIT rate to statutory CIT rate.

As of 2000.

Sources: Standard & Poor’s; and IMF staff estimates for India and Korea.

Ratio of effective CIT rate to statutory CIT rate.

As of 2000.

Table 9.4.Revenue Productivity of the Corporate Tax, 2003(In percent)
Statutory CIT Rate1Corporate Taxes/GDP2Revenue Productivity3
India35.92.36.4
Argentina35.02.77.7
Bolivia25.01.87.2
Chile (2001)17.04.627.2
China33.02.57.5
Colombia35.04.713.4
Hungary16.08.049.8
Indonesia30.01.75.5
Mexico (2000)33.05.015.3
Pakistan35.03.610.2
Peru30.03.411.4
Philippines32.02.68.2
Poland19.04.925.6
Russia24.04.016.6
Singapore (2001)22.08.036.5
South Africa37.85.514.4
Thailand30.03.010.0
Turkey33.02.57.6
Ukraine25.05.020.0
Uruguay35.02.67.4
Venezuela34.014.743.1
Average29.04.517.2
Sources: KPMG; IMF, Government Finance Statistics and International Financial Statistics; and various country databases.

As of January 1, 2004.

Used as proxy for the effective CIT rate. For 2003, unless otherwise indicated.

Ratio of corporate tax/GDP to statutory CIT rate.

Sources: KPMG; IMF, Government Finance Statistics and International Financial Statistics; and various country databases.

As of January 1, 2004.

Used as proxy for the effective CIT rate. For 2003, unless otherwise indicated.

Ratio of corporate tax/GDP to statutory CIT rate.

The Burden of Taxation on Investors

Does the Indian income tax code affect incentives to invest? To investigate this, we calculate two standard indicators, the marginal effective tax wedge (METW) between the pretax and posttax return on capital, and the marginal effective tax rate (METR), defined as the ratio of the METW to the real required pretax rate of return.6 By summarizing various tax effects, including the statutory CIT and personal tax rates on capital income, depreciation allowances, and inventory valuation method, the METW measures the potential cost of taxation to investors, which in turn affects their decision to invest. The AETR on capital income, although commonly used for this purpose, does not accurately reflect incentives, as it is backward looking and measures the average rather than marginal tax burden. Moreover, international comparisons using the AETR are difficult to interpret due to differences in accounting definitions and the timing of tax payments. Further, it does not incorporate personal tax provisions.

The marginal tax burden on capital in India is lower than the OECD average, but tax-induced distortions tend to be high. Firms that rely on internal financing are particularly penalized, as they face a marginal tax wedge almost one-third higher than the OECD average (Tables 9.5 and Table 9.6):

Table 9.5.Marginal Effective Tax Wedge by Investment Type1(In percent)
Standard Deviation2Weighted AverageInvestment Type
MachineryBuildingInventories
India1.31.41.20.22.7
Canada1.03.62.74.15.1
Germany0.41.20.91.41.9
Japan1.02.01.03.12.8
United Kingdom0.52.21.92.23.1
United States0.41.91.52.52.0
OECD average0.41.61.21.72.3
Sources: Dalsgaard (2001) based on OECD calculations; and IMF staff estimates for India.

These indicators show the degree to which the personal and corporate tax systems scale up (or down) the pretax real rate of return that must be earned on an investment, given that the representative investor can earn a 4 percent real rate of return on a demand deposit. The estimates shown refer to 2004 for India, 1999 for other countries.

The standard deviation across investment vehicles provides an indicator of the neutrality of the tax system toward corporate investment decisions. The lower the standard deviation, the more neutral the tax system.

Sources: Dalsgaard (2001) based on OECD calculations; and IMF staff estimates for India.

These indicators show the degree to which the personal and corporate tax systems scale up (or down) the pretax real rate of return that must be earned on an investment, given that the representative investor can earn a 4 percent real rate of return on a demand deposit. The estimates shown refer to 2004 for India, 1999 for other countries.

The standard deviation across investment vehicles provides an indicator of the neutrality of the tax system toward corporate investment decisions. The lower the standard deviation, the more neutral the tax system.

Table 9.6.Marginal Effective Tax Wedge by Financing Source1(In percent)
Standard Deviation2Sources of Financing
Retained earningsNew equityDebt
India1.62.62.5−0.2
France2.93.67.70.7
Germany0.70.92.51.3
Italy0.41.31.30.4
Japan2.33.35.5−0.1
Korea0.50.61.61.6
United Kingdom0.52.92.41.6
United States1.51.74.81.4
OECD average30.92.03.21.0
Sources: Joumard (2002) based on OECD calculations; and IMF staff estimates for India.

These indicators show the degree to which the personal and corporate tax systems scale up (or down) the pretax real rate of return that must be earned on an investment, given that the representative investor can earn a 4 percent real rate of return on a demand deposit. The representative investor is supposed to be a resident person, taxed at the top marginal income tax rate (see OECD, 1991). The estimates shown refer to 2004 for India, to 1999 for other countries.

The standard deviation across financing instruments provides an indicator of the neutrality of the tax system toward corporate financing decisions. The lower the standard deviation, the more neutral the tax system.

Weighted average across available countries (weights based on 1995 GDPs and PPPs).

Sources: Joumard (2002) based on OECD calculations; and IMF staff estimates for India.

These indicators show the degree to which the personal and corporate tax systems scale up (or down) the pretax real rate of return that must be earned on an investment, given that the representative investor can earn a 4 percent real rate of return on a demand deposit. The representative investor is supposed to be a resident person, taxed at the top marginal income tax rate (see OECD, 1991). The estimates shown refer to 2004 for India, to 1999 for other countries.

The standard deviation across financing instruments provides an indicator of the neutrality of the tax system toward corporate financing decisions. The lower the standard deviation, the more neutral the tax system.

Weighted average across available countries (weights based on 1995 GDPs and PPPs).

  • The marginal tax wedge (1.4 percent) is slightly below the OECD average. This reflects low personal taxes, including the elimination of tax on long-term capital gains in 2004/05.
  • However, the standard deviation of the marginal tax wedge across investment assets is three times higher than the OECD average.Inventory investment is treated more harshly than investments in machinery and buildings, so that firms that need to carry more inventories are penalized, more so than in OECD countries. The use of the FIFO (first in, first out) method for inventory valuation also entails a higher tax burden, as increases in the value of inventories due solely to inflation are taxed.
  • The standard deviation of the marginal tax wedge across financing sources is nearly twice as high as the OECD average. The negative tax wedge enjoyed by debt financing means that the government is effectively subsidizing marginal debt-financed investments, more so than in OECD countries. Investments financed by new equity face a below-average tax wedge, thanks to relatively low dividend taxation. In contrast, investments financed by retained earnings face an above-average tax wedge, in excess of 2½ percent. Smaller firms that face problems in borrowing and tend to be more dependent on internal sources of funds are thus disadvantaged compared to larger firms (Rao and Lukose, 2002; and Joseph and others, 1998). The relatively large tax advantage of debt finance may also have contributed to relatively high financial leverage in India, exacerbating firms’ vulnerability. The average debt-to-equity ratio for Indian companies is high relative to their counterparts in Asian countries and elsewhere, and—even before the recent credit boom (Chapter 6)—had risen to 1.4 in 2002 from a low of 1.2 in 1996 (Topalova, 2004).

A related result is that corporates that have only limited access to debt financing, particularly smaller firms, face a high effective marginal tax rate. The METR for investments financed by retained earnings or equity is nearly 33 percent, compared with the OECD average of 22 percent, reflecting a relatively high CIT rate.7

The prevalence of tax incentives for special sectors and regions in India means that the marginal tax burden also varies greatly across sectors and regions. The marginal tax wedge for a firm that benefits from a corporate tax exemption is only 0.4 percent, 1 percentage point lower than that of a firm that does not enjoy the tax holiday. Other incentives, such as accelerated depreciation provisions, also result in a lower marginal tax burden for benefiting firms. Such large variations in METWs in turn can result in large distortions to investment decisions and allocative efficiency.

Priorities for Reforms

The facts highlighted above suggest that a tax reform combining lower statutory rates with base broadening could help achieve a pro-growth fiscal adjustment in India. AETR and tax productivity estimates suggest ample scope for raising direct tax revenue through the removal of exemptions and improved tax administration and compliance. In addition to reducing tax-induced distortions, the removal of exemptions would create room for further lowering statutory rates, which in turn would enhance the return on investment and further improve the neutrality of the tax system. With investors pursuing high-return investments rather than tax benefits, growth would tend to rise. Meanwhile, the planned introduction of a national VAT on goods and services (GST) would help improve the revenue productivity of domestic indirect taxes, helping recoup expected trade revenue losses, and also enhance economic efficiency. These broad directions for tax reform were highlighted in the government’s 2004 FRBMA road map.

An Assessment of the FRBMA Road Map Tax Proposals

The road map proposes a number of changes to income taxation and the introduction of a national GST.

  • Direct tax measures include further reductions in statutory rates. The road map proposes a reduction of the CIT rate to 30 percent and elimination of the surcharge; reduction of the general depreciation rate to 15 percent; elimination of the withholding tax on distribution of dividends; and elimination of the long-term capital gains tax. Several measures, including the reduction in the CIT and depreciation rates and the elimination of the long-term capital gains tax, have been implemented over the last two years. This has contributed to lowering the marginal tax wedge and reducing its variation across investment assets, thus increasing the return on investment and contributing to economic efficiency. The implementation of remaining measures would help consolidate those gains.
  • Introduction of the GST and further reduction in customs duties are the hallmarks of proposed indirect tax reforms. The GST would replace the existing state VAT, CST, central excise duties, and central service tax. Tariffs have already dropped in the last two budgets and the government envisages further cuts in coming years to bring them down to levels in member countries of the Association of South East Asian Nations.
  • The reforms also envisage a significant increase in tax productivity via the removal of most exemptions and incentives, expansion of the taxpayer net, and increased reliance on information technology to improve tax administration and compliance. The computerization of tax administration—including increased tax withholding at the source, the introduction of a tax information network and a tax information system to track interstate transactions, and the computerization of customs—is well under way. The planned introduction of large taxpayer units in major cities in 2006 should help reduce compliance and transaction costs for large taxpayers. However, most exemptions remain in place. The government announced that it would let existing corporate tax exemptions lapse, but extended sunset clauses in some cases, and introduced new incentives in the context of the 2005 Special Economic Zones Act. New services have been added to the tax net over the last two years, but the move toward a GST will require further expansion of the service tax base and the removal of most excise exemptions, including for small-scale industries and selected areas.

Implementation of remaining tax reforms would further decrease the marginal tax burden on investment and reduce tax-induced distortions. The METW would decrease to 1.2 percent, thanks to lower personal taxes (Table 9.7). Neutrality with respect to sources of financing would improve, but firms that rely on internal financing (mainly smaller firms) would remain relatively penalized. The marginal tax wedge faced by such firms would remain ¼ percentage point above the OECD average. Neutrality with respect to investment patterns would also improve, but the standard deviation of the METW across investment assets would remain more than double the OECD average, suggesting scope for further improvements.

Table 9.7.Tax Wedges Under Current Versus Reformed Tax System(In percent)
Mode of Financing
Type of InvestmentRetained earningsNew equityDebtWeighted averageStandard Deviation1
Tax system, 2005–062
Machinery2.42.3−0.41.21.6
44.042.8−13.527.6
Buildings1.31.2−1.30.21.5
30.328.6−74.54.8
Inventories4.13.90.92.71.8
57.156.323.746.7
Weighted average2.62.5−0.21.41.6
46.445.3−6.631.1
Standard deviation11.41.41.11.3
Tax system, FRBMA road map2
Machinery2.12.1−0.31.01.3
39.939.9−9.924.9
Buildings1.11.1−1.10.11.3
26.726.7−56.14.4
Inventories3.53.50.92.41.5
53.153.122.643.2
Weighted average2.32.3−0.11.21.4
42.342.3−4.028.2
Standard deviation11.21.21.01.1
Source: IMF staff estimates.

The standard deviation measures the neutrality of the tax system with respect to corporate financing and investment decisions. The lower the standard deviation, the more neutral the tax system.

Corresponding marginal effective tax rates are reported in italics.

Source: IMF staff estimates.

The standard deviation measures the neutrality of the tax system with respect to corporate financing and investment decisions. The lower the standard deviation, the more neutral the tax system.

Corresponding marginal effective tax rates are reported in italics.

To mitigate potentially excessive reliance on debt finance and help further improve the neutrality of the tax system, additional measures can be considered. These include limiting the deductibility of interest to a percentage of net taxable income; limiting debt for the purposes of income tax (e.g., debt-to-equity ratios in Canada are limited to 2, in Germany to 1.5, and in Japan to 3); limiting interest to a referential rate (e.g., in Portugal, the 12-month Euribor plus 1.5 percent); or introducing an allowance for corporate equity.8

The recent introduction of a state VAT is a major step toward the GST. By allowing full integration of goods and services taxation at the national level, a GST should help secure further gains in economic efficiency, with favorable effects on investment and exports. However, successful introduction will require bringing remaining states into the VAT, phasing out the CST, and reaching agreement with states on the sharing of GST revenues.9

Base-broadening measures envisaged by the road map would imply a significant increase in tax productivity and economic efficiency gains as tax-induced distortions are reduced. For example, corporate tax revenue is projected in the FRBMA road map to nearly double from 2.3 percent of GDP in 2003/04 to 4.2 percent of GDP by 2008/09, despite a lower CIT rate, as most exemptions are eliminated. CIT tax productivity would more than double to 14 percent by 2008/09 (nearing the non-OECD average). The removal of most tax incentives would also result in lower variation of the marginal tax burden across sectors and regions, contributing to higher economic efficiency. Meanwhile, the proposed introduction of a GST with few exemptions should help enhance indirect tax productivity and improve economic efficiency by harmonizing tax rates across states. Moreover, a truly destination-based GST would allow the emergence of a single Indian market, greatly enhancing India’s attractiveness as an investment destination.

Appendix 9.1. Average Effective Tax Rates Based on Macroeconomic Data

The AETR on labor is derived in two steps. First, the effective tax rate on total household income is calculated as the ratio of individual income tax and household income, including operating surplus of unincorporated enterprises, property income, and wage income. Second, the AETR on labor is calculated by dividing the sum of taxes paid on labor income (tax on wages and salaries—calculated by applying the household income AETR to wage income10—social security contributions, and other payroll taxes) by the sum of wages and salaries and employer-paid social security contributions.

The AETR on capital is obtained by dividing the sum of taxes paid by capital (corporate income tax, household taxes on capital income, and various property taxes) by the net operating surplus of the economy.

The AETR on consumption is calculated as the sum of domestic taxes on goods and services, taxes on exports, and import duties, divided by the sum of private and government nonwage consumption, net of indirect taxes. Indirect taxes are excluded in the denominator to reflect the common practice of expressing indirect tax rates as a percentage of the price before tax.

More recent studies, however, have argued that it is preferable to express the consumption tax base in gross terms (i.e., including indirect tax rates in the denominator), to improve comparability with the tax ratios on labor and capital and facilitate calculating a combined AETR on labor and consumption (Carey and Rabesona, 2002). We therefore also present this alternative (revised) estimate together with the original Mendoza and others (1994) estimate.

Appendix 9.2. Tax Parameter Data, December 2005
In percent
Corporate tax system
Corporate tax rate on retained earnings33.66
Inventory valuationFirst in, first out
Long-term capital gains tax rate0.00
Dividend distribution tax rate12.75
Tax depreciation rates
For machinery15.00
For buildings10.00
Depreciation methodDeclining balance
Personal tax system
Interest income tax rate10.71
Dividend income tax rate0.00
Short-term capital gains tax rate10.20
Long-term capital gains tax rate0.00
Proportion of assets realized each period10.00
Source: Indian authorities.
Source: Indian authorities.
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1National savings during 1999–2004 in India reached 24 percent of GDP on average annually, compared with 43 percent in China, 34 percent in Malaysia, and 32 percent in Korea.
2The AETR is measured as the ratio of tax collections to the notional tax base derived from national accounts. It is a standard indicator of the effective tax burden on categories of income or consumption. The measure summarizes the impact of various factors, including statutory tax rates, the effective tax base (accounting for tax evasion, exemptions, and the extent of informal activity), and the quality of tax administration. See Appendix 9.2 for details on the calculation of AETRs in India.
3Estimates for non-OECD countries are not available.
4Tax productivity is calculated as the ratio of the effective to statutory tax rate (Kraemer and Zhang, 2004). It measures the extent to which revenues that should be received given the rate and potential base of the taxes are actually being realized.
5In Table 9.3, following the Kraemer-Zhang approach, we use the operating surplus of the economy (from national accounts) as the potential tax base. In Table 9.4, in the absence of such data for non-OECD countries, we use nominal GDP.
6See Appendix 9.2 for tax parameters used. See Organization for Economic Cooperation and Development (1991) for further details on the methodology and parameters. Indirect taxes impose additional costs on investment, but the METR approach focuses on direct taxation, thus understating the tax burden on investors. Comparable estimates have been published for OECD countries.
7The METR calculated here follows the methodology of Devereux, Griffith, and Klemm (2002) and ignores any personal taxes, focusing on the marginal tax burden at the firm level.
8The notional rate of return on invested equity is deductible under the CIT in Croatia (1994–2001), and imputed equity return is taxed at a reduced rate in Austria and Italy (until 2001).
9The Indian constitution currently gives the center the exclusive right to tax services, while precluding it from taxing retail sales. To introduce the GST, a “grand bargain” therefore needs to be struck between the center and the states. Specifically, the latter would agree to let the center tax sales, in exchange for a share of GST revenues.
10Labor and capital income of households are assumed to be taxed at the same rate.

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