Publications

August 2010
Article

Sell-Side School Ties

By: Lauren H. Cohen, Christopher J. Malloy and Andrea Frazzini

We study the impact of social networks on agents' ability to gather superior information about firms. Exploiting novel data on the educational backgrounds of sell-side equity analysts and senior officers of firms, we test the hypothesis that analysts' school ties to... View Details

Keywords: Investment Return; Investment Portfolio; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Knowledge Acquisition; Social and Collaborative Networks

Research Summary

How and When Does Hierarchy Emerge in Firms?

Despite understanding that formal structure within firms is crucial for maintaining coordination and control as young firms grow, relatively little is systematically known about the initial formation of hierarchy in firms. By exploiting access to a dataset of all... View Details

Keywords: Organization Design; Start-up Growth; Startup Management; Organizational Design; Entrepreneurship; Brazil

Article

Small Worlds and Regional Innovation

Small-world networks have attracted much theoretical attention and are widely thought to enhance creativity. Yet empirical studies of their evolution and evidence of their benefits remain scarce. We develop and exploit a novel database on patent coauthorship to... View Details

Keywords: Geographic Location; Collaborative Innovation and Invention; Patents; Performance Productivity; Creativity; Social and Collaborative Networks

August 2023
Article

Formal Employment and Organized Crime: Regression Discontinuity Evidence from Colombia

By: Gaurav Khanna, Carlos Medina, Anant Nyshadham, Jorge Tamayo and Nicolas Torres

Safety net programs, common in settings with high informality like Latin America, often use a means test to establish eligibility. We ask: in settings in which organised crime provides lucrative opportunities in the informal market, will discouraging formal employment... View Details

Keywords: Gangs; Informality; Crime and Corruption; Job Search; Recruitment; Colombia

2020
Working Paper

Costly External Financing and Monetary Policy Transmission: Evidence from a Natural Experiment

By: Emily Williams

I provide new evidence that large and small banks have different external financing costs, which generates cross sectional variation in a deposits market pricing power channel of monetary policy transmission. I do so by exploiting a natural experiment using anti-trust... View Details

Keywords: External Financing; Monetary Policy Transmission; Experiment; Banks and Banking; Financing and Loans; Interest Rates

2012
Article

Mutual Fund Trading Pressure: Firm-Level Stock Price Impact and Timing of SEOs

By: Mozaffar N. Khan, Leonid Kogan and George Serafeim

In tests of the equity market timing theory of external finance, the prior literature has used overvaluation identifiers such as high market-to-book and high prior returns that are likely correlated with other determinants of SEOs. We use price pressure resulting from... View Details

Keywords: Equity; Market Transactions; Valuation; Capital Structure; Market Timing; Mathematical Methods; Acquisition

Spring 2013
Article

Does Mandatory IFRS Adoption Improve the Information Environment?

By: Joanne Horton, George Serafeim and Ioanna Serafeim

We examine the effect of mandatory International Financial Reporting Standards (IFRS) adoption on firms' information environment. We find that after mandatory IFRS adoption, consensus forecast errors decrease for firms that mandatorily adopt IFRS relative to forecast... View Details

Keywords: International Accounting; Financial Reporting; Standards; Information; Quality; Earnings Management

2013
Working Paper

Increased Speed Equals Increased Wait: The Impact of a Reduction in Emergency Department Ultrasound Order Processing Time

By: Jillian Berry Jaeker, Anita L. Tucker and Michael H. Lee

We exploit an exogenous process change at two emergency departments (EDs) within a health system to test the theory that increasing capacity in a discretionary work setting increases wait times due to additional services being provided to customers as a consequence of... View Details

Keywords: Technology; Demand and Consumers; Service Delivery; Health Care and Treatment; Business Processes; Health Industry

While neoclassical models suggest that improving the quality of financial information tightens the link between the realization of the information and the underlying fundamentals, models of recent crises suggest that higher information quality can generate... View Details

2025
Working Paper

Evaluations Amid Measurement Error: Determining the Optimal Timing for Workplace Interventions

By: Matthew DosSantos DiSorbo, Iavor I. Bojinov and Fiammetta Menchetti

Researchers have embraced factorial experiments to simultaneously evaluate multiple treatments, each with different levels. Typically, in large-scale factorial experiments, the primary objective is identifying the treatment with the largest causal effect, especially... View Details

Keywords: Factorial Designs; Fisher Randomizations; Rank Estimators; Employer Interventions; Causal Inference; Mathematical Methods; Performance Improvement

Article

Temporal View of the Costs and Benefits of Self-Deception

By: Zoe Chance, Michael I. Norton, Francesca Gino and Dan Ariely

Researchers have documented many cases in which individuals rationalize their regrettable actions. Four experiments examine situations in which people go beyond merely explaining away their misconduct to actively deceiving themselves. We find that those who exploit... View Details

Keywords: Hindsight Bias; Lying; Motivated Reasoning; Self-enhancement; Social Psychology; Perception; Performance Expectations

15 Dec 2016
HBS Seminar

John-Paul Ferguson, Stanford Graduate School of Business

Research Summary

What Makes the Bonding Stick? A Natural Experiment Involving the U.S. Supreme Court and Cross-Listed Firms

On March 29, 2010, the U.S. Supreme Court signaled its intention to geographically limit the reach of the U.S.securities antifraud regime and thus differentially exclude U.S.-listed foreign firms from the ambit of formal U.S.antifraud enforcement. We exploit this... View Details

Keywords: Cross-listing; Corporate Governance; Civil Liability; Bonding

September 2011
Article

Information Risk and Fair Value: An Examination of Equity Betas

By: Edward J. Riedl and George Serafeim

Using a sample of U.S. financial institutions, we exploit recent mandatory disclosures of financial instruments designated as fair value level 1, 2, and 3 to test whether greater information risk in financial instrument fair values leads to higher cost of capital. We... View Details

Keywords: Forecasting and Prediction; Assets; Cost of Capital; Financial Institutions; Financial Instruments; Corporate Disclosure; Information; Risk and Uncertainty; Value; United States

Research Summary

A Temporal View of the Costs and Benefits of Self-Deception

Researchers have documented many cases in which individuals rationalize their regrettable actions. Four experiments examine situations in which participants go beyond merely explaining away their misconduct to actively deceiving themselves. We find that those who... View Details

January–February 2022
Article

Algorithm-Augmented Work and Domain Experience: The Countervailing Forces of Ability and Aversion

By: Ryan Allen and Prithwiraj Choudhury

How does a knowledge worker’s level of domain experience affect their algorithm-augmented work performance? We propose and test theoretical predictions that domain experience has countervailing effects on algorithm-augmented performance: on one hand, domain experience... View Details

Keywords: Automation; Domain Experience; Algorithmic Aversion; Experts; Algorithms; Machine Learning; Future Of Work; Employees; Experience and Expertise; Decision Making; Performance

29 Jun 2009
Sharpening Your Skills

Sharpening Your Skills: Leading Change

retrenchment; think growth. Key concepts include: Companies that survive the financial crisis by identifying and exploiting innovation will serve as economic growth engines in the future—and will be the industry leaders of tomorrow. This... View Details

Keywords: by Staff

2025
Working Paper

Blockchain Adoption and Audit Quality

By: Mei Luo, Daniel Rabetti and Shuangchen Yu

This study examines the impact of blockchain adoption in the corporate setting. Specifically, we provide comprehensive empirical support to recent theory (Cao, Cong, and Young, 2024) proposing that blockchain adoption positively affects endogenous audit quality and... View Details

Keywords: Blockchain; Accounting Audits; Technology Adoption; Financial Reporting; Governing Rules, Regulations, and Reforms; China

2020
Working Paper

Algorithm-Augmented Work and Domain Experience: The Countervailing Forces of Ability and Aversion

By: Ryan Allen and Prithwiraj Choudhury

Past research offers mixed perspectives on whether domain experience helps or hurts algorithm-augmented work performance. To reconcile these perspectives, we theorize that domain experience affects algorithm-augmented performance via two distinct countervailing... View Details

Keywords: Automation; Domain Experience; Algorithmic Aversion; Experts; Algorithms; Machine Learning; Decision-making; Future Of Work; Employees; Experience and Expertise; Decision Making; Performance