作者：University of Oxford
摘要：The causes of the United States' exceptional economic performance are investigated by comparing American wages and prices with wages and prices in Great Britain, Egypt, and India. American industrialization in the nineteenth century required tariff protection since the country's comparative advantage lay in agriculture. After 1895 surging American productivity shifted the country's comparative advantage to manufacturing. Egypt and India could not have industrialized by following American polic...
作者：University of California System; University of California Irvine
作者：IMT School for Advanced Studies Lucca; Stanford University; New York University
摘要：We investigate how technology has influenced the size of armies. During the nineteenth century, the development of the railroad made it possible to field and support mass armies, significantly increasing the observed size of military forces. During the late twentieth century, further advances in technology made it possible to deliver explosive force from a distance and with precision, making mass armies less desirable. We find support for our technological account using a new data set covering...
作者：University System of Georgia; University of Georgia
作者：University of Michigan System; University of Michigan
作者：Wilfrid Laurier University; University of Waterloo
作者：University System of Ohio; Ohio State University; National Bureau of Economic Research
