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Effectiveness and Economic Impact of Tax Incentives in the SADC ...

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ECONOMICS OF TAX INCENTIVES 3-5<br />

respect for property rights, <strong>and</strong> flexible labor market regulations <strong>in</strong> <strong>the</strong> EPZs, comb<strong>in</strong>ed with preferential<br />

access to <strong>the</strong> European <strong>and</strong> American markets.<br />

Mauritius reta<strong>in</strong>ed a highly protectionist tariff structure, but <strong>the</strong> export sector was largely <strong>in</strong>sulated<br />

from <strong>the</strong> adverse effects <strong>of</strong> high tariffs through <strong>the</strong> EPZ system <strong>and</strong> various subsidies, <strong>in</strong>clud<strong>in</strong>g a 10-year tax<br />

holiday for most EPZ companies <strong>and</strong> preferential <strong>in</strong>terest rates on loans. In <strong>the</strong> late 1990s, most <strong>of</strong> <strong>the</strong> tax<br />

was replaced by a 15 percent company tax rate as <strong>the</strong> ma<strong>in</strong> fiscal benefit for <strong>in</strong>centive companies. (See<br />

Chapter 7 <strong>and</strong> <strong>the</strong> Appendix for details.)<br />

A recent IMF study (Subramanian <strong>and</strong> Roy, 2001) emphasizes that many countries have <strong>of</strong>fered similar<br />

fiscal <strong>in</strong>centives without match<strong>in</strong>g Mauritius’ success. They po<strong>in</strong>t out that Mauritius benefited from a well<br />

paid <strong>and</strong> discipl<strong>in</strong>ed civil service, which m<strong>in</strong>imized <strong>the</strong> abuse <strong>and</strong> leakage that come from weak<br />

adm<strong>in</strong>istration <strong>of</strong> EPZ privileges <strong>and</strong> tax <strong>in</strong>centives. Thus, <strong>the</strong> authors caution that “attempt<strong>in</strong>g to replicate<br />

<strong>the</strong> Mauritius experiment might be hazardous for o<strong>the</strong>r countries.”<br />

The common <strong>the</strong>me is that some highly successful develop<strong>in</strong>g countries have used <strong>in</strong>vestment tax<br />

<strong>in</strong>centives with impressively good effects—but always <strong>in</strong> conjunction with a broad <strong>and</strong> consistent<br />

framework <strong>of</strong> o<strong>the</strong>r supportive policies <strong>and</strong> <strong>in</strong>stitutions.<br />

SOURCES: UNCTAD (1998 <strong>and</strong> 2002); Shaw (1995); Emmons, et al. (1999); Spar (1998); Fox (2003); Subramanian <strong>and</strong> Roy<br />

(2001).<br />

3.2 Ten Arguments aga<strong>in</strong>st Investment <strong>Tax</strong> <strong>Incentives</strong><br />

This section discusses ten ma<strong>in</strong> arguments about costs <strong>and</strong> problems associated with tax<br />

<strong>in</strong>centives, particularly selective <strong>in</strong>centives. Most <strong>of</strong> <strong>the</strong>se arguments are familiar to tax<br />

specialists <strong>and</strong> public f<strong>in</strong>ance economists, but <strong>the</strong>y are less well understood by o<strong>the</strong>r<br />

stakeholders. For that reason, <strong>the</strong>y merit a detailed explanation.<br />

1. Revenue Loss. As expla<strong>in</strong>ed earlier, <strong>the</strong> central purpose <strong>of</strong> tax policy is revenue<br />

mobilization. The claim that tax <strong>in</strong>centives have no adverse impact on revenue assumes that<br />

<strong>the</strong> <strong>in</strong>vestments that benefit from tax <strong>in</strong>centives are additional to what would take place <strong>in</strong> <strong>the</strong><br />

absence <strong>of</strong> <strong>the</strong> <strong>in</strong>centives. Full additionality may <strong>in</strong>deed occur <strong>in</strong> two cases. The first is where<br />

an <strong>in</strong>vestment is fundamentally viable <strong>in</strong> <strong>the</strong> host country but could earn a higher risk-<br />

adjusted rate <strong>of</strong> return <strong>in</strong> ano<strong>the</strong>r location, <strong>and</strong> <strong>the</strong> pr<strong>of</strong>it differential is small enough that a tax<br />

break reverses <strong>the</strong> location advantage. The second is where an <strong>in</strong>vestment is not viable under<br />

<strong>the</strong> normal tax code, but becomes so due to <strong>the</strong> tax break. Investments <strong>in</strong> this category are<br />

<strong>in</strong>herently those <strong>of</strong> low productivity. Aside from <strong>the</strong>se special cases, tax <strong>in</strong>centives do cause a<br />

loss <strong>of</strong> revenue. There are four ways <strong>in</strong> which this can occur:<br />

•<br />

Redundancy: A tax <strong>in</strong>centive is redundant, or superfluous, when it does not materially affect<br />

<strong>the</strong> <strong>in</strong>vestment decision. This situation arises if <strong>the</strong> <strong>in</strong>vestment has a sufficient rate <strong>of</strong> return<br />

to be viable under <strong>the</strong> normal tax code, <strong>and</strong> cannot relocate easily to ano<strong>the</strong>r jurisdiction. If<br />

<strong>the</strong> <strong>in</strong>vestment makes sense anyway, <strong>the</strong>n <strong>the</strong> tax <strong>in</strong>centive simply transfers resources to <strong>the</strong><br />

<strong>in</strong>vestor at <strong>the</strong> expense <strong>of</strong> <strong>the</strong> treasury. If redundancy is widespread, <strong>the</strong>n <strong>the</strong> <strong>in</strong>centive<br />

program generates little additional <strong>in</strong>vestment <strong>and</strong> <strong>the</strong> revenue cost is high. An important

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