We argue that migrants played a significant role in the diffusion of the demographic transition from France to the rest of Europe in the late 19th century. Employing novel data on French immigration from other European regions from 1850 to 1930, we find that higher immigration to France...

"The United States used to be a country where ordinary people could expect to improve their economic condition as they moved through life. For millions of us, this is no longer the case. Many Americans today have a lower standard of living as adults than they had in their parents' homes as...