The purpose of this paper is threefold. First, we survey the way in which the tax burden on labour has been proxied for in recent multi-country macro-economic studies. Second, we critically evaluate these proxies. Finally, we examine to what extent the conclusions of some studies change if some...

This paper outlines the methodology used by the OECD in its Taxing Wages publication, compares this approach to other measures of the effective tax rate on labour and uses recent results to illustrate its use. It argues that the strength of this methodology lies in its ability to make...

We study the effect of Artificial Intelligence (AI) on employment across US commuting zones over the period 2000-2020. A simple model shows that AI can automate jobs or complement workers, and illustrates how to estimate its effect by exploiting variation in a novel measure of local exposure to...