In addition to his teaching and research, Prof. Krugman writes extensively for nontechnical audiences. He is a regular op-ed columnist for the New York Times. His latest trade books include End this Depression Now!, recently published, The Return of Depression Economics and the Crisis of 2008, a history of recent economic troubles and their implications for economic policy, and The Conscience of a Liberal, a study of the political economy of economic inequality and its relationship with political polarization from the Gilded Age to the present.