"Inspired by a postgraduate course the authors have jointly taught at the University of Cambridge since 2001, Peter Harris and David Oliver use their divergent backgrounds (academia and tax practice) to build a conceptual framework that not only makes the tax treatment of complex commercial...

This paper proposes and evaluates alternative methods for addressing the tax treatment of interest expenses in a multijurisdictional setting. The differential deductibility of debt entailed by various current tax law provisions leads to potential distortions in the patterns of asset ownership...

This paper examines how restrictions on the tax-deductibility of interest cost affect location choices of multinational corporations (MNCs). Many countries have introduced so-called thin-capitalization rules (TCRs) to prevent MNCs from shifting tax base to countries with lower tax rates. As of...

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...