Productivity Change and Mine Dynamics: The Coal Industry in Japan during World War II
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Tetsuji Okazaki
Abstract
In the 1930s and 1940s, the Japanese coal industry experienced huge fluctuations in production and labor productivity. In this paper, I explore the micro-aspects of labour productivity change in the coal industry during World War II using mine-level data, compiled from official statistics and original documents of the Coal Control Association (Sekitan Toseikai). The coal industry in this period was characterized by dynamic changes in market structure: a number of mines entered and exited the industry, and shares of incumbent mines changed substantially. These mine dynamics had significant implications on productivity. In the early stage of the war, many low productivity mines entered the industry which considerably reduced average labor productivity. The government and the Coal Control Association implemented a policy to concentrate resources and production on efficient mines during the war, which curbed the decline in average labor productivity. Despite the deteriorating environment during the war, coal production in Japan was maintained fairly well. One of the factors that made this possible was the policy of resource reallocation.
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Articles in the same Issue
- Titelei
- Abhandlungen und Studien
- Historical Economics of Wars in the 20th Century
- Health on the Home Front: Infant Deaths and Industrial Accidents during Mobilization for World War II
- Productivity Change and Mine Dynamics: The Coal Industry in Japan during World War II
- Democracy at a Disadvantage? British Rearmament, the Shadow Factory Scheme and the Coming of War, 1936-40
- Swiss Trade with the Allies and the Axis Powers during the Second World War
- The Enemy on the Farm: The Economic Contribution of German and Italian POW Employment in Britain and the British Dominions during and after the Second World War
- The Wartime Origins of the Wirtschaftswunder: The Growth of West German Industry, 1938-55
- How did the Capital Market Evaluate Germany’s Prospects for Winning World War I? Evidence from the Amsterdam Market for Government Bonds
- II. Dokumentation
- An Input-Output Table for Germany in 1936: A Documentation of Results, Sources and Research Strategy
