R&D tax incentives have become a widely used policy tool to promote business R&D. How do they shape firms’ incentives to invest in R&D? This paper contributes a methodology to construct forward-looking effective tax rates for an R&D investment that reflect the value of expenditure-based R&D...

This position paper of the IBFD Academic Task Force (hereinafter IBFD Task Force) relates to the OECD's work on BEPS Action 1 and is devoted to withholding tax aspects. This position paper provides possible solutions to the challenges presented to the international tax regime by the digital...

This paper outlines the core issues of the introduction of a new PE nexus based on digital presence. It puts forward its essential features and rethinks the foundations of the concept of sourcing for income tax purposes in the global economy. Our proposal of a new PE nexus based on digital...

In their famous Mirrlees review (2011) on reforming the tax system for the 21st century, the authors put forward the introduction of an allowance for corporate equity regime. In recent years, several countries introduced an ACE regime. The main feature of an ACE regime is that it removes tax...

Aggressive tax planning efforts of highly profitable multinational companies (Base Erosion and Profit Shifting (BEPS)) have recently become the subject of intense public debate. As a response, several international initiatives and parties have called for more transparency in financial reporting,...

The reform of corporate and business taxation is central to current tax policy debates in the United States. This paper provides a framework for analyzing reform proposals by describing the lessons from current economic research for business tax reform, addressing both international and domestic...