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When Do "Nudges" Increase Welfare?

By Hunt Allcott, Daniel Cohen, William Morrison, and Dmitry Taubinsky

òòò½Íø Review, May 2025

We use public finance sufficient statistic approaches to characterize the welfare effects of "nudges," such as simplified information and warning labels, in markets with taxes and endogenous prices. While many studies focus on average effects, we show tha...

Risk Aversion and Insurance Propensity

By Fabio Maccheroni, Massimo Marinacci, Ruodu Wang, and Qinyu Wu

òòò½Íø Review, May 2025

We provide a new foundation of risk aversion by showing that this attitude is fully captured by the propensity to seize insurance opportunities. In our main results, we first characterize Arrow-Pratt (1963–1964) risk aversion in terms of propensity to f...

Selling Subscriptions

By Liran Einav, Ben Klopack, and Neale Mahoney

òòò½Íø Review, May 2025

We study one benefit to firms of selling subscriptions: the prospect that consumers will continue to pay for subscriptions they no longer value. We use comprehensive data from a large payment card network to document that months during which cards are rep...

Severe Weather and the Macroeconomy

By Hee Soo Kim, Christian Matthes, and °Õ´Çà²Ô Phan

òòò½Íø Journal: Macroeconomics, April 2025

We investigate the impact of severe weather shocks on the US macroeconomy over the past 60 years. Using a nonlinear vector autoregressive model, we find robust evidence of time-varying effects. While negligible at the beginning of the sample, the impact b...

Why Is the Fragmented Municipal Bond Market So Costly to Investors and Issuers?

[Symposium: Bond Markets]

By John M. Griffin, Nicholas Hirschey, and Samuel Kruger

Journal of Economic Perspectives, Spring 2025

The municipal bond market plays a crucial role in providing capital to US municipalities and functions through a network of underwriters, municipal advisors, credit rating agencies, insurers, individual and institutional investors, and multiple regulators...