Globally, the largest 0.001 per cent of firms earn roughly one-third of all corporate profits. Nonetheless, there is little understanding of how profit shifting differs across firm size. Using South African corporate tax returns from 2010-14, we investigate the link between firm size and profit...

This paper analyzes the role of Tax Incentives in promoting investment, their effectiveness and their revenue and other costs and political economy. The paper consolidates econometric work on the topic done by the authors covering the Caribbean, Francophone Africa and India; surveys of Investors...

This paper examines the microeconomic motivation of governments to provide tax incentives for foreign direct investment. Author applies the classical models of oligopoly to subsidy competition, endogenousing investment incentives, but leaving tax rates exogenous. According to the conventional...

Heterogeneous firm productivity seems to provide an argument for governments to pursue `pick-the-winner' strategies by subsidizing highly productive firms more, or taxing them less, than their less productive counterparts. We appraise this argument by studying the optimal choice of effective tax...

This paper investigates the choice of apportionment factors under a corporate tax system of Formula Apportionment. In contrast to perceived wisdom, we show that the apportionment formula contains both mobile (capital) and immobile (labor) factors if jurisdictions are granted full fiscal autonomy...

This paper analyses tax competition between a unionised and a non-unionised country for the location of an outside firm. We show that unionisation offers an extra incentive for the government to attract a foreign competitor to a concentrated domestic market, in order to affect the behaviour of...

In this paper, we analyse the role of mobility in tax and subsidy competition. Our primary result is that increasing relocation mobility of firms leads to increasing net tax revenues under fairly weak conditions. While enhanced relocation mobility intensifies tax competition, it weakens subsidy...