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A Preferred-Habitat Model of Term Premia, Exchange Rates, and Monetary Policy Spillovers

American Economic Review 2025 115(11), 3788-3824 open access
We develop a two-country model in which currency and bond markets are populated by different investor clienteles, and segmentation is partly overcome by arbitrageurs with limited capital. Risk premia in our model are time-varying, connected across markets, and consistent with the empirical violations of uncovered interest parity and expectations hypothesis. Through risk premia, large-scale bond purchases lower domestic and foreign bond yields and depreciate the currency, and short-rate cuts lower foreign yields, with smaller effects than bond purchases. Currency returns are disconnected from long-maturity bond returns, and yet the currency market is instrumental in transmitting bond demand shocks across countries. (JEL E43, E44, E52, F31, G12, G15)

Who Benefits from Online Gig Economy Platforms?

American Economic Review 2025 115(6), 1857-1895 open access
Online labor platforms for short-term, remote work have many more job seekers than available jobs. Despite their relative abundance, workers capture a substantial share of the surplus from transactions. We draw this conclusion from demand estimates that imply workers' wages include significant markups over costs and a survey that validates our surplus estimates. Demand-side search frictions and differentiated characteristics prevent workers from competing away supply-side surplus. Finally, we show that applying traditional employment regulations to online gig economy platforms would lower job posting and hiring rates, reducing aggregate surplus for all market participants, including workers.