Paul A. Samuelson taught that every society has to choose between butter and guns. Individuals have to make the Gossen test of utility equivalence. The authors of the recent Mirrlees Review seem to believe that they can avoid this choice by considering taxation only. But how can one decide on...

We estimate how trade openness affects the relationship between wages, labour productivity and foreign wages using sector-level time series for several EU member states. In some countries wages became less responsive to foreign wages as trade costs declined. We show this counter-intuitive result...