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Working Paper
Marriage Market Sorting in the U.S.
Restrepo-Echavarria, Paulina; Cheremukhin, Anton A.; Tutino, Antonella (2024-09-25)
We examine shifts in the U.S. marriage market, assessing how online dating, demographic changes, and evolving societal norms influence mate choice and broader sorting trends. Using a targeted search model, we analyze mate selection based on factors such as education, age, race, income, and skill. Intriguingly, despite the rise of online dating, preferences, mate choice, and overall sorting patterns showed negligible change from 2008 to 2021. However, a longer historical view from 1960 to 2020 reveals a trend toward preferences for similarity, particularly concerning income, education, and ...
Working Papers , Paper 2023-023

Working Paper
Costly Information Intermediation: Quality vs. Spillovers
Pinheiro, Roberto; Monte, Daniel (2024-12-05)
We analyze information intermediaries in large economies with costly information acquisition. Intermediaries face a trade-off between quality and dissemination speed. Both altruistic policymakers and profit-maximizing monopolists optimally choose to sample limited information, increasing the number of partially informed agents and enhancing spillovers despite slower information accumulation. Altruistic information-sharing bureaus minimize fees by inducing low provider default rates, while monopolist bureaus maximize fees through higher faulty service rates. Information trade resembles a ...
Working Papers , Paper 17-21R2

Working Paper
Inflation Thresholds and Inattention
Tang, Jenny; Bracha, Anat (2019-09-01)
Inflation expectations are key to economic activity, and in the current economic climate of a heated labor market, they are central to the policy debate. At the same time, a growing literature on inattention suggests that individuals, and therefore individual behavior, may not be sensitive to changes in inflation when it is low. This paper explores evidence of such inattention by constructing three different measures based on the University of Michigan’s Survey of Consumers 1-year ahead inflation expectations. Exploring inflation thresholds of 2, 3, and 4 percent, our findings are ...
Working Papers , Paper 19-14

Working Paper
Tariffs and Goods-Market Search Frictions
Krolikowski, Pawel; McCallum, Andrew H. (2025-01-16)
We study uniform tariffs in a general equilibrium dynamic model with search frictions between heterogeneous exporting producers and importing retailers. We analytically characterize unilateral import tariffs that maximize domestic welfare. Search frictions lower these tariffs because of market thickness effects, which reinforce aggregate production nonconvexities. A calibration using 2016 U.S. and Chinese data suggests that optimal U.S. unilateral and Nash equilibrium tariffs with baseline search frictions are 10 ppt. below those in a model with reduced search frictions. Changes in welfare in ...
Working Papers , Paper 25-03

Working Paper
Targeted Search in Matching Markets
Restrepo-Echavarria, Paulina; Tutino, Antonella; Cheremukhin, Anton (2013-08-23)
We propose a parsimonious matching model where a person's choice of whom to meet endogenizes the degree of randomness in matching. The analysis highlights the interaction between a productive motive, driven by the surplus attainable in a match, and a strategic motive, driven by reciprocity of interest of potential matches. We find that the interaction between these two motives differs with preferences?vertical versus horizontal?and that this interaction implies that preferences recovered using our model can look markedly different from those recovered using a model where the degree of ...
Working Papers , Paper 2014-35

Working Paper
Mispricing Narratives after Social Unrest
Ba, Bocar A.; Ndiaye, Abdoulaye; Rivera, Roman G.; Whitefield, Alexander (2024-08-05)
We study how negative sentiment around an industry impacts beliefs and behaviors, focusing on demands for racial justice after the murder of George Floyd and the salience of the “defund the police” movement. We assess stakeholder beliefs on the impact of protests on the stock prices of police-affiliated firms. In our survey experiment, laypeople and finance professionals predicted more negative stock price outcomes when they lacked details on the products supplied by such firms. Exposure to narratives about the context of the protests further reduced the prediction accuracy of these ...
Opportunity and Inclusive Growth Institute Working Papers , Paper 096

Report
Bayesian Persuasion and Cryptography
Azar, Pablo D. (2026-05-01)
Bayesian Persuasion assumes that a sender can commit ex ante to an information structure and then release the realized signal ex post. This paper asks when that commitment technology can itself be implemented. After observing the state, a sender who also observes the realized signal can suppress unfavorable draws even if every disclosed signal is verifiably correct. We define Receiver-Private Certified Bayesian Persuasion, a benchmark in which the receiver obtains the signal and a certificate of correct generation while the sender does not learn the realized branch of the experiment. The main ...
Staff Reports , Paper 1194

Working Paper
Goods-Market Frictions and International Trade
McCallum, Andrew H.; Krolikowski, Pawel (2016-12-23)
We present a tractable framework that embeds goods-market frictions in a general equilibrium dynamic model with heterogeneous exporters and identical importers. These frictions arise because it takes time and expense for exporters and importers to meet. We show that search frictions lead to an endogenous fraction of unmatched exporters, alter the gains from trade, endogenize entry costs, and imply that the competitive equilibrium does not generally result in the socially optimal number of searching firms. Finally, ignoring search frictions results in biased estimates of the effect of tariffs ...
Working Papers (Old Series) , Paper 1635

Working Paper
Rational Inattention via Ignorance Equivalence
Müller-Itten, Michèle; Stangebye, Zachary; Armenter, Roc (2020-06-22)
We present a novel approach to finite Rational Inattention (RI) models based on the ignorance equivalent, a fictitious action with state-dependent payoffs that effectively summarizes the optimal learning and conditional choices. The ignorance equivalent allows us to recast the RI problem as a standard expected utility maximization over an augmented choice set called the learning-proof menu, yielding new insights regarding the behavioral implications of RI, in particular as new actions are added to the menu. Our geometric approach is also well suited to numerical methods, outperforming ...
Working Papers , Paper 20-24

Working Paper
Geometric Methods for Finite Rational Inattention
Strangebye, Zachary; Müller-Itten, Michèle; Armenter, Roc (2021-09-14)
We present a geometric approach to the finite Rational Inattention (RI) model, recasting it as a convex optimization problem with reduced dimensionality that is well-suited to numerical methods. We provide an algorithm that outperforms existing RI computation techniques in terms of both speed and accuracy. We also introduce methods to quantify the impact of numerical inaccuracy on the behavioral predictions and to produce robust predictions regarding the most frequently implemented actions.
Working Papers , Paper 21-30

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