Multi-modal travel itineraries are based on traversing multiple legs using more than one mode of transportation. The more combinations of legs and modes, the more challenging it is for a traveler to identify a reliable itinerary. Transportation providers collect data that can increase...

This paper examines the early effects of dismantling the one-child (fertility) policy, which China relaxed in 2013 and eliminated prior to 2017. Birth rates, female labor force participation, and saving behavior have already changed. Between 2015 and 2017, the proportion of households with...

The fraction of the labor force under the age of 35, or youth share, has been correlated with cyclical GDP volatility over the past several decades. The youth share and business cycle fluctuations were high during the 1970's. Then, as the population aged, output volatility declined. I develop an...

The cyclical volatility of U.S. gross domestic product suddenly declined during the early 1980's and remained low for over 20 years. I develop a labor search model with worker heterogeneity and match-specific costs to show how an increase in the supply of high-skill workers can contribute to a...