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Multi-Dimensional Screening: Buyer-Optimal Learning and Informational Robustness

Rahul Deb and Anne-Katrin Roesler

A monopolist seller of multiple goods screens a buyer whose type vector is initially unknown to both but drawn from a commonly known prior distribution. The seller chooses a mechanism to maximize her worst-case profits against all possible signals from which the buyer can learn about his values for the goods. We show that it is robustly optimal for the seller to bundle goods with identical demands (these are goods that can be permuted without changing the buyer’s prior type distribution).

Competition and Career Advancement

Julian V. Johnsen, Hyejin Ku, and Kjell G. Salvanes

In standard promotion tournaments, contestants are ranked based on their output or productivity. We argue that workers’ career progression may also depend on their relative rankings in dimensions a priori unrelated to their job performance, such as visibility or in-person presence. Such implicit tournaments may rationalize a variety of seemingly counterproductive practices in the workplace, including long working hours, low uptake of statutory leave, and presenteeism.

Path dependency in physician decisions

Lawrence Jin, Rui Tang, Han Ye, Junjian Yi, and Songfa Zhong

We examine path dependency in physician decisions in an emergency department setting, and find that physicians’ treatment decisions for the current and previous patients are positively correlated. We show that the positive autocorrelation is higher when the current patient is of greater medical uncertainty or more similar to the previous patient in terms of observed characteristics and when the physician is less experienced or more fatigued.

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The Confederate diaspora—small but powerful and ideologically intense—reshaped culture across the U.S. through influence, organizational mobilization, and political leverage.

New paper by @SamuelBazzi, @Andreas_Ferrara, Fiszbein, @tpearson_tweets, and Testa:

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Why/how should multiple hypothesis testing be done differently in empirical work? We give an economic foundation trading off research costs and incentives with implications for empirical practice.

New paper by @VivianoDavide, Wüthrich, and Niehaus:

https://www.restud.com/a-model-of-multiple-hypothesis-testing/

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New paper by Liski & Salanié:

https://www.restud.com/catastrophes-delays-and-learning/

#REStud
#EconX
#EconTwitter

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Supply-side climate policies in the oil market: Higher taxes reduce exploration and discoveries. If only OECD countries adopt this policy, 47–73% is offset by non-OECD countries.

New paper by @AhlvikLassi, @jorgenja, Hamang, & @tfharding:

https://www.restud.com/quantifying-supply-side-climate-policies/

#REStud
#EconX

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