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Entangling Relations Dataset David A. Lake University of California, San Diego Data used in constructing Table 7.1, Transportation Costs and Annual Changes in Alliances, 1816-1938, p. 281, of David A. Lake, Entangling Relations: American Foreign Policy in its Century (Princeton: Princeton University Press, 1999). Variables as defined and described on pp.278-282. AllyCh (Alliance Change): Annual Net Change in all Defense Alliances. Alliance data from Annual Alliance Membership Dataset, 1815-1965, as defined in Singer and Small n.d. (ICPSR XXX). Allylag: AllyCh lagged one year. Year: Year. Threat: Sum of military personnel per capita for Germany, France, and the United Kingdom. Military personnel and population data from National Capabilities Dataset, as defined in Singer and Small 1993. Threat1: Threat lagged one year. Power: British iron and steel production minus German iron and steel production. Iron and steel production data from National Capabilities Dataset, as defined in Singer and Small 1993. Power1: Power lagged one year. Indus (Industrialization): Energy usage per capita in the United Kingdom. Energy usage and population data from National Capabilities Dataset, as defined in Singer and Small 1993. Indus1: Indus lagged one year. BGrain (British Grain): Price series based on freight factors to London from, variously, the Baltic, Black Sea, east coast of North America, South America, and Australia, in constant shillings. Data from Harley 1988, pp.873-75. Tramp (Tramp Shipping): An index of tramp shipping rates (1869 = 100). Data from Mitchell 1962, p.224. Chicago (Chicago to Liverpool): A price series of freight rates on grain per 100 pounds from Chicago to Liverpool via rail to seaboard and then by ship, in constant 1996 dollars. Data from Statistical Abstract of the United States, various years. RailCost (Rail Costs): A price series based on receipts per passenger mile traveled on all railways in Great Britain, in constant pounds (average of 1867-1877). Data from Mitchell 1962, 225-27 and 474-75.
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