ScarcityEconomist Sendhil Mullainathan and psychologist Eldar Shafir reveal that the hidden side behind all these problems is that they're all about scarcity. Using the new science of scarcity, they will change the way you think about both the little everyday tasks and the big issues of global urgency. Sendhil Mullainathan, the 'most interesting young economist in the world', and Eldar Shafir, the 'most brilliant psychologist' of his generation, explain the