Per Stromberg is a Visiting Research Fellow at the United Nations University (Yokohama, Japan) and is an environmental economist at the Swedish Environmental Protection Agency. He is a Cambridge European Trust Fellow and holds a PhD and MSc in environmental economics (University of Cambridge and University College, London, respectively) and a BSc in economics (Stockholm University). He was awarded the James Claydon Prize in Economics from the University of Cambridge. Having lectured at universities in Japan and Peru, he was also responsible for the MSc module on environmental economics at the