Publications

2024
Working Paper

Content Moderation with Opaque Policies

By: Scott Duke Kominers and Jesse M. Shapiro

A sender sends a signal about a state to a receiver who takes an action that determines a payoff. A moderator can block some or all of the sender's signal before it reaches the receiver. When the moderator's policy is transparent to the receiver, the moderator can... View Details

Keywords: Market Design; Communication; Knowledge Sharing; Information Infrastructure; Media

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January 2021
Article

Using Models to Persuade

By: Joshua Schwartzstein and Adi Sunderam

We present a framework where "model persuaders" influence receivers’ beliefs by proposing models that organize past data to make predictions. Receivers are assumed to find models more compelling when they better explain the data, fixing receivers’ prior beliefs. Model... View Details

Keywords: Model Persuasion; Analytics and Data Science; Forecasting and Prediction; Mathematical Methods; Framework

30 Aug 2021
News

How to Buy A Little Happiness, No Matter How Much Money You Have

Matthew C. Weinzierl

Matt Weinzierl is Senior Associate Dean and Chair of the MBA Program at Harvard Business School, where he is the Joseph and Jacqueline Elbling Professor of Business Administration in the Business, Government, and the International Economy Unit, and a Research... View Details

Keywords: aerospace

15 Feb 2013
Working Paper Summaries

Expectations of Returns and Expected Returns

Keywords: by Robin Greenwood & Andrei Shleifer; Financial Services

August 2021
Article

Voter Mobilization and Trust in Electoral Institutions: Evidence from Kenya

By: Benjamin Marx, Vincent Pons and Tavneet Suri

Voter mobilization campaigns face trade-offs in young democracies. In a large-scale experiment implemented in 2013 with the Kenyan Electoral Commission (IEBC), text messages intended to mobilize voters boosted participation but also decreased trust in electoral... View Details

Keywords: Political Participation; Electoral Institutions; Field Experiment; Voting; Political Elections; Behavior; Trust

January 2020
Case

Terra Nova: A Social Business Trying to Unlock Land Rights for the Urban Poor in Brazil

By: Julie Battilana, Ruth Costas, Marissa Kimsey and Priscilla Zogbi

Brothers André and Daniel Albuquerque founded the company Terra Nova in 2001 to mediate land disputes between poor families illegally living in urban areas and the official landowners—with the aspiration to improve the lives of the poor. A business-led approach to the... View Details

Keywords: Mission and Purpose; Social Enterprise; Entrepreneurship; Negotiation; Power and Influence; Social Issues; Conflict and Resolution; Business and Government Relations; Infrastructure; Urban Development; Real Estate Industry; Brazil; Latin America

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2018
Working Paper

Diagnostic Bubbles

By: Pedro Bordalo, Nicola Gennaioli, Spencer Yongwook Kwon and Andrei Shleifer

We introduce diagnostic expectations into a standard setting of price formation in which investors learn about the fundamental value of an asset and trade it. We study the interaction of diagnostic expectations with two well-known mechanisms: learning from prices and... View Details

Keywords: Bubbles; Price Bubble; Mathematical Methods

2010
Working Paper

A Behavioral Model of Demandable Deposits and Its Implications for Financial Regulation

By: Julio J. Rotemberg

A model is developed that rationalizes contracts that give depositors the right to obtain funds on demand even when depositors intend to use these funds for consumption in the future. This is explained by depositor overoptimism regarding their own ability to collect... View Details

Keywords: Banks and Banking; Insurance; Governing Rules, Regulations, and Reforms; Policy; Consumer Behavior; Financial Services Industry

September 2023 (Revised January 2024)
Case

Helmy Abouleish: Making a Desert Bloom

By: Geoffrey G. Jones and Maxim Pike Harrell

This case examines the history of prominent Egyptian-based social enterprise SEKEM from its foundation in 1977 until the COP27 conference held in Sharm El-Sheikh in 2022. Led by father and son team Ibrahim and Helmy Abouleish, SEKEM turned desert into farmland using... View Details

Keywords: Agribusiness; Climate Change; Values and Beliefs; Social Enterprise; Agriculture and Agribusiness Industry; Egypt

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Article

Why Am I Seeing This Ad? The Effect of Ad Transparency on Ad Effectiveness

By: Tami Kim, Kate Barasz and Leslie K. John

Given the increasingly specific ways marketers can target ads, many consumers and regulators are demanding ad transparency: disclosure of how consumers’ personal information was used to generate ads. We investigate how and why ad transparency impacts ad effectiveness.... View Details

Keywords: Digital Marketing; Customization and Personalization; Information; Trust; Performance Effectiveness

September 2021
Article

Diagnostic Bubbles

By: Pedro Bordalo, Nicola Gennaioli, Spencer Yongwook Kwon and Andrei Shleifer

We introduce diagnostic expectations into a standard setting of price formation in which investors learn about the fundamental value of an asset and trade it. We study the interaction of diagnostic expectations with two well-known mechanisms: learning from prices and... View Details

Keywords: Bubble; Speculation; Diagnostic Expectations; Price Bubble; Mathematical Methods

2007
Working Paper

Testing Limits to Policy Reversal: Evidence from Indian Privatizations

By: Siddhartha G. Dastidar, Raymond Fisman and Tarun Khanna

We examine the effect of regime change on privatization using the 2004 election surprise in India. The pro-reform BJP was unexpectedly defeated by a less reformist coalition. Stock prices of government-controlled companies that had been slated for definite... View Details

Keywords: Political Elections; Privatization; State Ownership; Policy; India

2024
Working Paper

Charting (and Updating) the Path: A Bayesian Perspective on Entrepreneurial Learning

By: Joshua L. Krieger

This chapter explores two distinct modes of entrepreneurial learning: assessing venture viability and choosing between alternative development paths. It introduces a framework for decomposing venture viability into technological feasibility, commercial potential and... View Details

Keywords: Decision Making; Entrepreneurship; Growth and Development Strategy; Learning

November 2022
Case

Hiring with the Community in Saint Paul

By: Mitchell B. Weiss and Sarah Mehta

This case reviews Saint Paul Mayor Melvin Carter’s decision to involve the community in the process of hiring his cabinet members. Rather than relying on an executive recruiting firm or choosing cabinet heads from his own network, Carter recruited 100 community members... View Details

Keywords: Community Engagement; Competency and Skills; Government and Politics; Human Resources; Government Administration; Recruitment; Selection and Staffing; Decision Making; Public Administration Industry; United States; Minnesota; Saint Paul