Scott Sumner received a PhD in economics and would later publish The Midas Paradox: A New Look at the Great Depression and Economic Instability, a book that talked about the Depression.
Sumner received a PhD in economics from the University of Chicago in 1985. In 2015, Sumner published The Midas Paradox: A New Look at the Great Depression and Economic Instability. The book argued that the Depression was greatly extended by repeated gold market shocks and New Deal wage policies. 
