Joachim Hubmer

Welcome!

I am an Assistant Professor of Economics at the University of Pennsylvania. I received my Ph.D. in Economics from Yale University in 2019. My research focuses on macroeconomic questions related to technological change and inequality.

What's new?

UPDATED 2025/12: Why Are the Wealthiest So Wealthy? New Longitudinal Empirical Evidence and Implications for Theories of Wealth Inequality, with Elin Halvorsen, Serdar Ozkan, and Sergio Salgado, Revised and Resubmitted at Econometrica [paper] [supplemental material]

NEW 2025/09: Investment in Demand and Dynamic Competition for Customers, with Lukas Nord [paper]

UPDATED 2025/05: Scalable versus Productive Technologies, with Mons Chan, Guangbin Hong, Serdar Ozkan, and Sergio Salgado [paper]

UPDATED 2024/08: Not a Typical Firm: Capital–Labor Substitution and Firms’ Labor Shares, with Pascual Restrepo, Forthcoming at AEJ:Macro [paper]