This paper suggests a dual to the many-person applied welfare economics problem with constraints on lump-sum redistribution. The dual has the property of minimizing an aggregator function over individual income transfers. The properties of the aggregator are dependent upon the resource costs of...

Economic regions, such as urban agglomerations, face external demand and price shocks that produce income risk. Workers in large and diversified agglomerations may benefit from reduced wage volatility, while firms may outsource the production of intermediate goods and realize benefits from...

Mobility of highly-skilled workers affects and is affected by labor market conditions, taxes, and other policies. This paper documents the demographic and fiscal importance of international migration, especially in aging societies, reviews the efficiency and distributional effects of mobility,...

The previous welfare-economics literature on intergenerational transfers through unfunded public pension schemes studies either “small open” economies, which can borrow or lend abroad without restriction at constant interest rates, or “closed” economies, in which domestic capital...