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- June 2025
- Article
Collusion in Brokered Markets
By: John William Hatfield, Scott Duke Kominers and Richard Lowery
High commissions in the U.S. residential real estate agency market present a puzzle for economic theory because brokerage is not a concentrated industry. We model brokered markets as a game in which agents post prices for customers and then choose which other agents to... View Details
Keywords: Real Estate Agents; Real Estate; Realtors; Broker Networks; Brokerage; Brokerage Commissions; ＂Brokerage Industry; Brokered Markets; Brokering; Brokers; Industrial Organization; Repeated Game Framework; ＂Repeated Games＂; Collusion; Antitrust; Microeconomics; Market Design; Theory; Game Theory; Real Estate Industry
- 2025
- Working Paper
Trade and Industrial Policy in Supply Chains: Directed Technological Change in Rare Earths
By: Laura Alfaro, Harald Fadinger, Jay Schymik and Gede Virananda
Trade and industrial policies, while primarily intended to support domestic industries, may unintentionally stimulate technological progress abroad. We document this mechanism in the case of rare earth elements (REEs)—critical inputs for manufacturing at the knowledge... View Details
- 2023
- Working Paper
Spatial Mobility, Economic Opportunity, and Crime
By: Gaurav Khanna, Carlos Medina, Anant Nyshadham, Daniel Ramos-Menchelli, Jorge Tamayo and Audrey Tiew
Neighborhoods are strong determinants of both economic opportunity and criminal activity. Does improving connectedness between segregated and unequal parts of a city predominantly import opportunity or export crime? We use a spatial general equilibrium framework to... View Details
- 2023
- Working Paper
Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education
By: Tahir Andrabi, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja and Naureen Karachiwalla
We estimate the equilibrium effects of a public-school grant program administered through school councils in Pakistani villages with multiple public and private schools and clearly defined catchment boundaries. The program was randomized at the village-level, allowing... View Details
- 2022
- Working Paper
Measuring the Tolerance of the State: Theory and Application to Protest
By: Veli Andirin, Yusuf Neggers, Mehdi Shadmehr and Jesse M. Shapiro
We develop a measure of a regime's tolerance for an action by its citizens. We ground our measure in an economic model and apply it to the setting of political protest. In the model, a regime anticipating a protest can take a costly action to repress it. We define the... View Details
- March 2021
- Article
On the Direct and Indirect Real Effects of Credit Supply Shocks
By: Laura Alfaro, Manuel García-Santana and Enrique Moral-Benito
We explore the real effects of bank-lending shocks and how they permeate the economy through buyer-supplier linkages. We combine administrative data on all Spanish firms with a matched bank-firm-loan dataset of all corporate loans from 2003 to 2013 to estimate... View Details
- 2020
- Working Paper
Design Rules, Volume 2: How Technology Shapes Organizations: Chapter 5 Ecosystems and Complementarities
The purpose of this chapter is to introduce two new building blocks to the theory of how technology shapes organizations. The first is a new layer of organization structure: a business “ecosystem.” The second is the economic concept of “complementarity.” Ecosystems are... View Details
- 2019
- Chapter
Network Effects
By: Andrei Hagiu and David B. Yoffie
Network effects are a key economic and strategic phenomenon in 'new economy' industries. They can, but do not necessarily, lead to market tipping, unless they outweigh customers' benefits from differentiation and are accompanied by high switching and multi-homing... View Details
Keywords: Network Effects
- 2013
- Comment
Fairness and Redistribution: Comment
By: Rafael Di Tella and Juan Dubra
In an influential paper, Alesina and Angeletos (2005)—henceforth, AA—argued that a preference for fairness could lead two identical societies to choose different economic systems. In particular, two equilibria might arise: one with low taxes and a belief that the... View Details
- Article
Stability and Competitive Equilibrium in Matching Markets with Transfers
By: John William Hatfield and Scott Duke Kominers
This note surveys recent work in generalized matching theory, focusing on trading networks with transferable utility. In trading networks with a finite set of contractual opportunities, the substitutability of agents’ preferences is essential for the guaranteed... View Details
Keywords: Matching; Networks; Joint Ventures; Stability; Competitive Equilibrium; Core; Efficiency; Economics; Theory
- Article
An Exploration of Optimal Stabilization Policy
By: N. Gregory Mankiw and Matthew C. Weinzierl
This paper examines the optimal response of monetary and fiscal policy to a decline in aggregate demand. The theoretical framework is a two-period general equilibrium model in which prices are sticky in the short-run and flexible in the long-run. Policy is evaluated by... View Details
- December 2010
- Article
Nominal versus Indexed Debt: A Quantitative Horse Race
By: Laura Alfaro and Fabio Kanczuk
The main arguments in favor of and against nominal and indexed debt are the incentive to default through inflation versus hedging against unforeseen shocks. We model and calibrate these arguments to assess their quantitative importance. We use a dynamic equilibrium... View Details
- May 2009
- Article
Asymmetric Information Effects on Loan Spreads
The paper estimates the cost arising from information asymmetry between the lead bank and members of the lending syndicate. In a lending syndicate, the lead bank retains only a fraction of the loan but acts as the intermediary between the borrower and the syndicate... View Details
- Article
Debt Maturity: Is Long-Term Debt Optimal?
By: Laura Alfaro and Fabio Kanczuk
We model and calibrate the arguments in favor and against short-term and long-term debt. These arguments broadly include: maturity premium, sustainability, and service smoothing. We use a dynamic equilibrium model with tax distortions and government... View Details
- 2005
- Working Paper
Nominal versus Indexed Debt: A Quantitative Horse Race
By: Laura Alfaro and Fabio Kanczuk
The main arguments in favor of and against nominal and indexed debt are the incentive to default through inflation versus hedging against unforeseen shocks. We model and calibrate these arguments to assess their quantitative importance. We use a dynamic equilibrium... View Details
- November 2004
- Tutorial
Principles of Microeconomics for Strategists
By: Felix Oberholzer-Gee, Pai-Ling Yin and Elizabeth Raabe
Reviews microeconomic principles from a business strategy perspective, using the digital music industry as context. Contains three modules: demand, supply, and equilibrium. The demand module discusses the willingness to pay, market demand, price elasticity, and... View Details
- August 2004
- Article
Capital Controls, Risk and Liberalization Cycles
By: Laura Alfaro and Fabio Kanczuk
The paper presents an overlapping-generations model where agents vote on whether to open or close the economy to international capital flows. Political decisions are shaped by the risk over capital and labor returns. In an open economy, the capitalists (old) completely... View Details
Keywords: Business Cycles; Development Economics; Voting; Risk and Uncertainty; Cash Flow; Saving; Investment; Economy; Wages
- 1996
- Article
Limits on Interest Rate Rules in the IS Model
By: William R. Kerr and Robert G. King
There has been a substantial amount of research on interest rate rules. This literature finds that the feasibility and desirability of interest rate rules depends on the structure of the model used to approximate macroeconomic reality. We employ a series of... View Details
- September 1990
- Article
Competition on Many Fronts: A Stackelberg Signaling Equilibrium
By: Jerry R. Green and Jean-Jacques Laffont
An economic agent, the incumbent, is operating in many environments at the same time. These may be locations, markets, or specific activities. He is informed of the particular conditions relevant to each situation. His action in each case is observable by another... View Details
- Article
Participation Constraints in the Vickrey Auction
By: Jerry R. Green and Jean-Jacques Laffont
Economic agents are characterized by two privately observable parameters: their willingness to pay for an item being auctioned, and their reservation utility level which must be exceeded, in expectation, to induce them to participate in this auction. This creates a... View Details