We study the optimal combination of corporate tax rate and tax base in a model of a small open economy with heterogeneous firms. We show that it is optimal for the small country's government to effectively subsidize capital inputs by granting a tax allowance in excess of the true costs of...

How do countries compete for mobile tax base when they lack precise information on how tax rates affect the tax base? We present a multi-period version of a classic tax competition model in which countries set source-based taxes under incomplete information on the tax base elasticity. This...

We present a new model of tax induced transfer pricing as an alternative to the oft-used concealment model. Inspired by interviews with practitioners, we consider a large multinational firm which is audited by the tax authority in the high-tax location. When this country adjusts the transfer...

Advance pricing agreements (APAs) determine transfer prices for intra-firm transactions in advance. This paper interprets these contracts as a means to overcome a hold-up problem that occurs because governments cannot commit to non-excessive future tax rates. In addition, with private...