The effect of demography on economic performance has been the subject of intense debate in economics for nearly two centuries. In recent years opinion has swung between the Malthusian views of Coale and Hoover, and the cornucopian views of Julian Simon. Unfortunately, until recently, data were...

About 55 million Europeans migrated to the New World between 1850 and 1914, landing in North and South America and in Australia. This movement, which marked a profound and permanent shift in global population and economic activity, is described in vivid detail by Timothy J. Hatton and Jeffrey G....