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,...

This study provides an overview of current political developments in the tax competition debate, emphasizing the consequences for large German family businesses. We analyze new tax competition trends in Europe and selected industrialized countries in recent years. Subsequently, we discuss...

This paper evaluates the Multilateral Convention to implement Pillar I Amount A, released by the OECD in October 2023, and the alternative proposal of Art. 12B for tax treaties suggested by the UN, with a particular emphasis on the perspective of developing countries. We conduct a comparative...

In the tax literature, the tax effort index for any country is usually measured by the ratio of the actual tax ratio to the predicted ratio. This reflects mainly the variance in the taxable capacity of a country. A high value of tax effort index indicates that a particular country is collecting...

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,...