two-year recession The Economics of World War I The Economics of World War I http://www.nber.org/digest/jan05/w10580.html The Economics of World War I http://www.nber.org/digest/jan05/w10580.html The Economics of World War I The Economics of World War I The Economics of World War I "The Economics of World War I" The Economics of World War I The Economics of World War I The Economics of World War I The Economics of World War I The Economics of World War I http://www.nber.org/digest/jan05/w10580.html The Economics of World War I two-year recession http://www.nber.org/digest/jan05/w10580.html http://www.nber.org/digest/jan05/w10580.html