The fraction of U.S. college graduate women entering professional programs increased substantially around 1970 and the age at first marriage among all U.S. college graduate women soared just after 1972. We explore the relationship between these two changes and how each was shaped by the...

In this short note I simulate the DR under various conditions and make comparisons with the US. Japan has experienced a large increase in its DR because its fertility rate is low, its people are long lived and it has little immigration. Fertility is the largest of the contributors in Japan. If...