We develop a theory of career paths and earnings in an economy in which agents organize in production hierarchies. Agents climb these organizational hierarchies as they learn stochastically from other individuals. Earnings grow over time as agents acquire knowledge and occupy positions with...

We explore the long-run demand for M1 based on a dataset comprising 31 countries since 1851. In many cases cointegration tests identify a long-run equilibrium relationship between either velocity and the short rate, or M1, GDP, and the short rate. Evidence is especially strong for the United...