For a panel of 109 coastal countries, we show that negative economic shocks in the fisheries sector are associated with an increase in maritime piracy. Our identification strategy uses the variation in the phytoplankton abundance off the individual countries' coasts, measured by satellite data,...

In the latter half of the fourth millennium BC, our ancestors witnessed a remarkable transformation, progressing from simple agrarian villages to complex urban civilizations. In regions as far apart as the Nile Valley, Mesopotamia, Central Asia, and the Indus Valley, the first states appeared...