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Welcome! I am an Assistant Professor of Finance at Indiana University's Kelley School of Business. Prior to my current appointment, I received my PhD in economics from Princeton University.
My research is broadly focused on insurance markets, financial intermediation, firm dynamics, and urban economics.
Email: dtwennin@iu.edu | CV | Google Scholar
Working Papers
● ● ● ● Giving Life to Private (Rated) Credit with Isabella Gschossmann, Ziang Li, and Ali Uppal
Paper | SSRN | Latest Update: July, 2026
Media Coverage: FT Alphaville, MarketWatch
● ● ● ● Beyond the Storm: Climate Risk and Insurers of Last Resort with Ankit Kalda, Vikas Soni, and Varun Sharma
Paper | SSRN | Latest Update: November, 2025
● ● ● ● National Pricing and the Geography of U.S. Life Insurers
SSRN | Latest Update: November, 2024
Under Revision
● ● ● ● Priced Out: Rent Control, Wages, and Inequality with Isaac Hacamo, Geraldo Cerqueiro, and Pedro Raposo
Revise and resubmit, American Economic Journal: Economic Policy
Paper | SSRN | Latest Update: November, 2025
● ● ● ● Banks in Space with Ezra Oberfield, Esteban Rossi-Hansberg, and Nicholas Trachter
Revise and resubmit, American Economic Review
Paper | SSRN | Latest Update: August, 2025
Works in Progress
● ● ● ● Bundling, Distribution, and Access in Insurance Markets with Eduard Boehm and Bretchen Hoskins
How do the product shelves and market structure across distribution channels affect how people acquire insurance?
● ● ● ● Race to the Bottom: How Climate Risk and Price Competition Erode Insurer Quality with Shan Ge, Stephanie Johnson, and Nitzan Tzur-Ilan
How do rising homeowners insurance costs affect the way property insurers compete?
● ● ● ● Growing by Grafting with Ezra Obefield, Esteban Rossi-Hansberg, Nicholas Trachter, and Chen Yeh
How does the reallocation of plants across firms affect plant creation and aggregate productivity?
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