Why do scholars study the causes of the Great Depression ?
Harwood , Edward C. ( 1928 ) , " The Probable Consequences to Our Credit Structure of Continued Gold Export , " " The Annalist " ( March 23 , 1928 ) – ( 1928 ) , " The Underlying Causes of Our Recent Prosperity : Why the End is Near , " " The Annalist " ( April 13 , 1928 ) – ( 1929 ) , " Speculation in Securities vs. Commodity Speculation , " " The Annalist " ( February 15 , 1929 ) – ( 1929 ) , " Deterioration of the American Bank Portfolio -- a Ratio Analysis , 1920-28 , " " The Annalist " ( August 2 , 1929 )