This comment is on a paper by Christian Kirchner and Wulf Kaal, which proposes a variety of post-financial crisis regulatory reforms under a common theme of minimizing “regulatory arbitrage.” The comment focuses on one of their proposals, hedge fund regulation, and then picks up on the theme...

The global financial crisis deeply impacted labour markets around the globe. In the case of the United States, some commentators have argued that the subsequent rise in unemployment exceeded previous estimates of the elasticity of the unemployment rate with respect to output growth, a...