Justin Wolfers, The Economic Times: Q. What do you consider the world’s greatest economic challenge today?
A. The most immediate one encompasses the tremendous disruptions of global warming and trying to transition to a greener economy. These have huge implications over the next couple of decades. Also, too often in developed economies like the United States, when we say we care about inequality, we are thinking about the problems of the middle class. But if you want to raise total human well-being, the ..