Since the Middle Ages the Jews have been engaged primarily in urban, skilled occupations, such as crafts, trade, finance, and medicine. This distinctive occupational selection occurred between the seventh and the ninth centuries in the Muslim Empire and then it spread to other locations. We...

From the end of the second century C.E., Judaism enforced a religious norm requiring any Jewish father to educate his children. We present evidence supporting our thesis that this exogenous change in the religious and social norm had a major influence on Jewish economic and demographic history....

From the end of the second century C.E., Judaism enforced a religious norm requiring Jewish fathers to educate their sons. We present evidence supporting our thesis that this change in the religious and social norm had a major influence on Jewish economic and demographic history. First, the high...