Econometrica

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News from the editors of Econometrica

What securities emerge when competing investors design financing contracts? With dispersed information about common values, debt best protects investors from the winner’s curse and sellers’ informed selection—unlike in monopoly or private-value settings. buff.ly/g6q6D9Y

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On July 1, Econometrica welcomed new AEs to its editorial board: Laurent Bouton (Georgetown), Alex Frankel (UChicago), Annie Liang (Northwestern), Zhipeng Liao (UCLA), Luciano Pomatto (Caltech), Todd Schoellman (Minneapolis Fed), Isaac Sorkin (Stanford), and Thomas Wollmann (BU).

Why do workers dislike inflation? Because wages catching up to prices means costly conflict: tough pay talks, job search, bargaining. Survey + model show conflict more than doubles inflation costs. Joao Guerreiro, Jonathon Hazell, Chen Lian & Christina Patterson. buff.ly/S1GJdlV

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Gravity models usually make distance a shipping cost. What if distance also makes encounters between buyers and suppliers less likely? A new firm-to-firm matching model fits granular customs data and helps resolve trade and labor-market puzzles. buff.ly/XURqW3P

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When are causal parameters identified in instrumental variables models? This paper shows many such models share a common necessary and sufficient condition for identification that is constructive and suggests a simple sample-analogue estimator. buff.ly/4uw9gj0

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People underreact when inferring states, yet overreact when forecasting from the same signals. Fan, Liang & Peng show the question type triggers different heuristics—similarity between available and elicited statistics determines which shortcut dominates. buff.ly/ampbeNm

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Why do richer economies have more very large firms? This paper shows that the upper tail of the firm size distribution thickens as economies grow. A model of idea search explains why, showing how growth itself can produce rising concentration. buff.ly/cpStCuc

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Local projections are surprisingly robust to misspecification. By contrast, VAR confidence intervals with short-to-moderate lag length can severely undercover for misspecification that is small, difficult to detect, and cannot be ruled out a priori. buff.ly/c2obho2

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How do anti-misinformation policies work? RCT & structural estimation on Twitter/𝕏 in the US: priming outperforms fact-checking by raising salience of reputation at low cost, curbing false news & preserving true news. Veracity updating matters less. buff.ly/Nr9JbFO

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After Citizens United, Super PAC spending surged. I estimate a multistage model of U.S. congressional elections and find that offsetting spending responses limit net equilibrium effects. Still, amplified donor influence can reshape the electoral landscape. buff.ly/MJ48u5H

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What happens when workers with specific skills change fields? This paper shows that many workers with apprenticeships work outside their training occupation and face sizable mismatch penalties. Retraining can help mitigate costs under imperfect information.https://buff.ly/WvOTnDU

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Argmax is subtle. When is its cdf continuous? New paper gives conditions for multivariate argmax over Gaussian processes based on the Cameron-Martin theorem. Useful for inference in maximum score, empirical risk minimization & threshold regression examples. buff.ly/E6Y96gu

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Communicating uncertainty about our conclusions is an important scientific task. Is reporting a point estimate and standard error good enough? We propose a practical recipe for checking whether it is, and for improving our report when it is not. buff.ly/1RmUW1F

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One of the strengths of the Generalized Method of Moments is its ability to test model validity using overidentification tests. But what if the test fails? This paper provides a way to interpret misspecified models through the lens of optimal transport. buff.ly/uUSROOr

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