The causes and consequences of the Great Depression have been the subject of a vast profusion of literature within the field of macroeconomics. In this research review, Randall Parker brings together the most authoritative works written by some of the leading experts in this field. The articles give a comprehensive overview of the build-up and immediate aftermath of the Depression followed by detailed analyses of the reasons behind this economic catastrophe. The vital research undertaken on the operation of the interwar gold standard, which has deepened our understanding of the Depression and its international character, is charted. The review concludes with an investigation into the Real Business Cycle approach to the Depression.