Little progress has been made since the creation of the WTO in expanding and deepening the coverage of services liberalization commitments. This paper identifies and discusses five hypotheses that may explain the absence of dynamism: (i) technological changes allow ever more services to be...

This paper empirically explores the political-economic determinants of why governments choose to tax or subsidize trade in agriculture. We use a new data set on nominal rates of assistance (NRA) across a number of commodities spanning the last four decades for 64 countries. NRAs measure the...