Tax evasion is modeled as a risky activity and integrated into a standard problem of optimal tax design. It is shown that there is a trade off between reducing tax evasion and reducing tax distortion. Thus it is efficient to supplement a broad-based wage tax by a tax on specific consumption if...

Taxing internationally mobile factors of production has been dismissed as an inefficient means of raising tax revenue. This paper addresses the question of whether it is efficient to tax capital at source when labor markets and the taxation of lumpsum income suffer from imperfections. Four...

An einer Reform des europäischen Stabilitäts- und Wachstumspakts wird man nicht vorbeikommen. Bei keinem diskutierten Reformmodell ist aber zu erwarten, dass sich die Einhaltung der öffentlichen Haushaltsdisziplin besser als zuvor durchsetzen lässt. Vor diesem Hintergrund wird in diesem...

Assuming decreasing returns to education and the endogenous supply of qualified and non-qualified labour it is shown to be efficient to supplement a consumption tax with positive incentives for education. If the return from education is isoelastic and if the choice is between (i) subsidizing the...

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...

The employment of capital is rival in nature. Small countries do not benefit from taxing its employment. By contrast, the use of digital services is non-rival and small countries do benefit from taxing expenditures on such services. In fact, some countries have already decided to tax digital...

The use of digital services is largely non-rival. This paper argues that vanishing marginal costs of supply change policy incentives. Small countries are incentivized to tax the import of digital services. In fact, various countries have already moved towards expanded source taxation of online...