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...

Globalisation and the fast-approaching digitalisation increase capital as well as labour mobility fostering tax competition among countries worldwide. Based on a unique dataset, we analyse the development of effective tax burdens on corporations and highly skilled labour for 26 OECD countries...

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...

Foreign-owned subsidiaries make significant contributions to national Research and Development (R&D) in many host countries. Policymakers often support subsidiaries through R&D grants and R&D tax credits. A key objective of this funding is to leverage R&D-driven firm performance benefits for the...

We examine the capital market reaction to the announcement of the European Union (EU) to introduce a public tax country-by-country reporting (CbCR) regime. By employing an event study methodology, we find a significant cumulative average abnormal return (CAAR) of -0.699%, which translates into a...

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,...

The European Commission recently implemented the minimum tax directive (Pillar Two) to ensure that corporate profits are at least taxed at 15%. At the same time, it proposed a legislative initiative aimed at reducing the tax-induced distortions between debt and equity financing (debt-equity bias...

In response to discussions about large multinational enterprises’ tax planning activities, legislators around the world have adopted numerous regulations to increase corporate tax transparency. New settings and datasets have spurred empirical research in recent years. Our paper presents a...

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,...