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Journal Article
Evolution of commuting patterns in the New York City metro area
Has the migration of jobs to the suburbs changed the commuting patterns in the New York City metro area? An analysis of current commuting trends suggests that Manhattan remains the region's undisputed employment center and that workers are actually traveling farther to their jobs. Two factors appear to account for the longer commutes: the dispersion of people and jobs and a greater tolerance for long-distance travel among employers and employees.
Working Paper
Distance, time, and specialization
Time is money, and distance matters. We model the interaction of these truisms, and show the implications for global specialization and trade: products where timely delivery is important will be produced near the source of final demand, where wages will be higher as a result. In the model, timely delivery is important because it allows retailers to respond to fluctuating final demand without holding costly inventories, and timely delivery is only possible from nearby locations. Using a unique dataset that allows us to measure the retail demand for timely delivery, we show that the sources of ...
Journal Article
Taking off: Discount airlines transform flying