Many countries have introduced patent box regimes in recent years, offering a reduced tax rate to businesses for their IP-related income. In this paper, we analyze the effects of patent box regimes when countries can simultaneously use patent boxes and R&D subsidies to promote innovation. We...

This paper analyzes whether a corporate tax cut reduces profit shifting to low-tax countries. I use firm-level data of 2,812 German corporations around the Business Tax Reform in 2008. Applying a difference-in-differences framework with a one-on-one matching strategy, which compares earnings of...

This paper analyses tax competition between two countries of unequal size trying to attract a foreign-owned monopolist. When regional governments have only a lump-sum profit tax (subsidy) at their disposal, but face exogenous and identical transport costs for imports, then both countries will...

This Paper analyses the effects of a regionally coordinated profit tax in a model with three active countries, one of which is not part of the union, and a globally mobile firm. We show that regional tax coordination can lead to two types of welfare gains. First, for investments that would take...

This paper examines the relationship between foreign and domestic investment activity of multinational enterprises. The empirical analysis is based on micro data of German firms and their operations at home and abroad, including information on investment in fixed assets. The empirical approach,...

In this paper the impact of the corporate tax systems of the 15 EU-member states on the investment and the financing decision of an US multinational corporation is analysed. The calculation of the resulting effective marginal tax rates (EMTR) closely follow the model of King and Fullerton. There...

This paper addresses the question of how firms react to tax incentives in a formula apportionment (FA) tax regime. Under FA, profits of all consolidated entities of a business group are summed and then allocated according to a formula based on FA factors. We hypothesize that firms may change the...

In its 2015 Final Report on “Measuring and Monitoring BEPS, Action 11”, the OECD introduced six indicators to quantify and evaluate base erosion and profit shifting (BEPS) activity over time. In this study, we revisit three selected indicators, provide a numerical update for recent periods...

As part of its action plan against base erosion and profit shifting (BEPS), the OECD (2015) has proposed six indicators to measure profit shifting activity. These indicators add to past and ongoing efforts in academic tax research to empirically identify the scale and tax sensitivity of...

We investigate multinational firms' activities in tax havens and regulatory efforts to curb these activities in three steps. First, we discuss the evolution of information exchange and disclosure regimes among tax authorities, with a focus on the recent Countryby-Country (CbC) reporting regimes,...