1. 3Cf.S. KUZNETS , Toward a Theory of Economic Growth (Mimeo). 1956 , p.9 .
2. 5League of Nations, The Network of World Trade. Geneva, 1942. The lack of a place for Japan in the network was a weakness in the statistical results paralleling the failure of the international system to accommodate that country's trade expansion, while omission of the USSR was less serious for the 1930's than it would likely be for the 1960's.