How to explain high Jewish achievement: The role of intelligence and values

Throughout the 20th century, Jews have been greatly over-represented in western nations among intellectual elites, in the universities, and among the higher socio-economic classes. The two principal theories that have been advanced to explain this are that Jews have high intelligence and, alternatively, that they have cultural values that promote success. We review the evidence and present new data suggesting that high intelligence is the more important of these two factors.