An important puzzle in corporate taxation is that effective tax rates have fallen significantly while tax revenue has simultaneously risen in most countries. Moreover, the gross profitability of firms seems to be lower in high-tax countries, even though standard models of international...

In the absence of financing frictions, profit taxes reduce investment by their effect on the user cost of capital. With finance constraints due to moral hazard, investment becomes sensitive to cash-flow and own equity of firms. We propose a corporate finance model of investment and derive three...

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...

More than 130 countries have accepted the OECD invitation to reform the taxation of multinational enterprises (MNEs). One of two reform pillars aims at granting market countries the right to tax supernormal ("residual") profit without requiring physical nexus. This paper examines the method of...

This article analyzes profit taxation according to the arm's length principle in a model where heterogeneous firms sort into foreign outsourcing. We show that multinational firms are able to shift profits abroad even if they fully comply with the tax code. This is because, in equilibrium,...

Bargaining power may explain the tax differences between multinational and national enterprises beyond MNEs' profit shifting. Larger firms (mostly MNEs) are more valuable for tax authorities for various reasons. In threatening relocation, larger firms extract greater deductions, resulting in a...