We use occupations descriptions for Brazil, Colombia and Mexico, to build computer-use related tasks intensities, and link then to series of cross sections of data of each country in order to empirically assess to what extent the observed empirical regularities, and the reallocation of workers...

The water-mill, though known in the Roman Empire from the second century BCE, did not come to enjoy any widespread use until the 4 th or 5 th centuries CE, and then chiefly in the West, which was then experiencing not only a rapid decline in the supply of slaves, but also widespread...