This Festschriften by an eminent group of international economists on the occasion of Irving Fisher's seventieth birthday focuses on monetary theory and policy from World War I through the Great Depression, including the first great collapse of the international gold standard. Contributors include Marriner Eccles, Alvin Hansen, R.G. Hawtrey, J.M. Keynes, Erik Lindahl, Luigi Einaudi and Bertil Ohlin. The essays cover aspects of monetary policy in the United States, Canada, England, Denmark, Germany, Holland, Italy, Poland, Sweden, India, China, Japan and Australia.