Immigration and inequality, globalization and technological disruption, slowing growth and accelerating climate change - these are sources of great anxiety across the world. The resources to address these challenges are there - what we lack are ideas that will help us jump the wall of disagreement and distrust that divides us. In this revolutionary book, renowned MIT economists Abhijit V. Banerjee and Esther Duflo take on this challenge, building on cutting-edge research in economics explained with lucidity and grace. From the Winners of the Nobel Prize in Economics 2019.