the pre-existing American mathematicians shrank, the Soviet contribution to American mathematics filled in the gap …. However, there is no evidence that the Soviets greatly increased the size of the "mathematics pie." Finally, we find that …

the pre-existing American mathematicians shrank, the Soviet contribution to American mathematics filled in the gap …. However, there is no evidence that the Soviets greatly increased the size of the “mathematics pie.” Finally, we find that …

the pre-existing American mathematicians shrank, the Soviet contribution to American mathematics filled in the gap …. However, there is no evidence that the Soviets greatly increased the size of the "mathematics pie." Finally, we find that …

hardly affect the migration decision. When analysing country choice, countries such as the USA, Canada and Australia appear … these countries. -- Migration ; university graduates ; scientists & engineers …

In this paper, we document the importance of high-skilled immigration for U.S. employment in STEM fields. To begin, we …