By Juan Camilo Cárdenas Disappearing forests. Overfishing. Chronic water shortages. These are all major challenges for economists in a 21st century of population pressures and climate change. Thankfully, they also have new tools. Economists used to think of people as overwhelmingly rational and self-interested, driven above all to maximize their short-term material … [Read more...] about What Behavioral Economics Reveals About Sharing and Cooperation