We review the competing explanations of the 2007-2008 global crisis, recall how governments around the world had to depart from established policy stances, and reflect on the legacy of the crisis both in terms of future challenges and changes in policy doctrine. The G-20 has addressed important...

We present growth scenarios for 128 countries to 2050, based on a three-factor production function that includes capital, labour and energy. We improve on the literature by accounting for the energy constraint through dynamic modelling of energy productivity, and departing from the assumptions...

Recent trade models with heterogenous firms have considerable consequences on the interpretation of gravity equations. Chaney (2008) shows that the effect of distance on trade margins incorporates three parameters: the elasticity of substitution between goods, the elasticity of trade costs with...