Publications

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Article

Thinking About Technology: Applying a Cognitive Lens to Technical Change

We apply a cognitive lens to understanding technology trajectories across the life cycle by developing a co-evolutionary model of technological frames and technology. Applying that model to each stage of the technology life cycle, we identify conditions under which a... View Details

Keywords: Technology; Transformation; Outcome or Result; Economics; Cognition and Thinking; Business Model; Forecasting and Prediction

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Using two hundred years of national and Massachusetts data on medical care and health, we examine how central medical care is to life expectancy gains. While common theories about medical care cost growth stress growing demand, our analysis highlights the importance of... View Details

Research Summary

Relative Thinking and Consumer Choice

By: Joshua R. Schwartzstein

Fixed differences appear smaller when compared to large differences. Professor Schwartzstein has proposed a model of relative thinking, in which a person weighs a given change by less when he compares it to a larger range. Relative thinking implies that a person is... View Details

January 2018
Article

The Globalization of Angel Investments: Evidence Across Countries

By: Josh Lerner, Antoinette Schoar, Stanislav Sokolinski and Karen Wilson

This paper examines investments made by 13 angel groups across 21 countries. We compare applicants just above and below the funding cutoff and find that these angel investors have a positive impact on the growth, performance, and survival of firms as well as their... View Details

Keywords: Entrepreneurship; Globalization; Investment; Business Startups

May 2006 (Revised July 2007)
Case

Tropos Networks

By: Joseph B. Lassiter III and Elizabeth Kind

As Ron Sege, president and CEO of Tropos Networks, walked through the halls of the firm's offices, he realized that the space they had moved into only about a year ago was already becoming too small. The company, based in Sunnyvale, California, was founded in late 2000... View Details

Keywords: Business Startups; Entrepreneurship; Growth Management; Wireless Technology; Sunnyvale

28 Feb 2019
News

The Future of Leadership Development

Web

Placement - Doctoral

, Gautam Rao , and Katherine B. Coffman Spencer Yongwook Kwon Business Economics, 2023 Placement: Brown University, Department of Economics Dissertation: Essays in Expectations and Asset Prices Advisors: Andrei Shleifer , Samuel G. Hanson... View Details

18 Apr 2022
HBS Case

Dick’s Sporting Goods Followed Its Conscience on Guns—and It Paid Off

societal issues, according to two new Harvard Business School case studies. “Increasingly, business leaders are expected to take stands on societal issues—to do societal good. It’s gone beyond ‘do no harm,’” says George A. Riedel, the... View Details

Keywords: by Jay Fitzgerald

22 Jan 2013
First Look

First Look: Jan. 22

http://ssrn.com/abstract=2197876 Expectations of Returns and Expected Returns Authors:Greenwood, Robin, and Andrei Shleifer Abstract We analyze time-series of investor View Details

Keywords: Sean Silverthorne

Program

Growing as a Purposeful Leader

Summary Leaders today have to lead in the context of extraordinary changes and challenges. The demands of today's stakeholders have risen significantly, and what is expected of senior leaders is quickly evolving in terms of their mission... View Details

June 1991 (Revised December 1997)
Case

Takeover of the Norton Co., The

By: Thomas R. Piper

After a decade of mediocre performance, the Norton Co. enters 1990 with the prospect of increased sales in the next few years. Yet Norton is pursuing slow growth industries, and a lower than expected earnings announcement at the beginning of 1990 has depressed earnings... View Details

Keywords: Mergers and Acquisitions; Business Conglomerates; Goals and Objectives; Forecasting and Prediction; Performance Evaluation; Revenue; Bids and Bidding; Business Processes; Ownership Stake

June 2023
Case

Dan McCrum - Unmasking Wirecard

By: Jonas Heese, Charles C.Y. Wang, Tonia Labruyere and Carlota Moniz

Dan McCrum, an investigative journalist for the Financial Times, had spent the past six years fighting to expose German payment processing firm Wirecard. The company had enjoyed years of exponential growth and was viewed by several investors as the poster child of... View Details

Keywords: Crime and Corruption; Accounting; Financial Services Industry; Journalism and News Industry; Europe; United Kingdom; Germany

Fourth Quarter 2017
Article

Optimal Tilts: Combining Persistent Characteristic Portfolios

By: Malcolm Baker, Ryan Taliaferro and Terry Burnham

We examine the optimal weighting of four tilts in U.S. equity markets from 1968 through 2014. We define a “tilt” as a characteristic-based portfolio strategy that requires relatively low annual turnover. This is a continuum, with small size (a very persistent... View Details

Keywords: Risk Anomaly; Beta; Capital Asset Pricing Model; Factor Investing

Article

Operations Research in the Public Sector and Nonprofit Organizations

By: Zilla Sinuany-Stern and H. David Sherman

Public sector and nonprofit organizations (NPO) have been growing substantially in number and size since the turn of the millennium. In light of the ongoing economic crises these sectors are expected to grow even more with expanded demands for services, increased need... View Details

Keywords: Third Sector; Operations; Public Sector; Nonprofit Organizations

June 2004
Case

AT&T's Transmission Systems Business Unit (A)

By: Rogelio Oliva, Elizabeth Keating and James Quinn

The newly appointed director of the project dedicated to reducing product development time for AT&T's Transmission Systems Business Unit (TSBU) is trying to decide how best to sustain the momentum of its Achieving Process Excellence (APEX) teams. During the past three... View Details

Keywords: Quality; Groups and Teams; Performance Improvement; Business Processes; Product Development; Telecommunications Industry

2025
Working Paper

Home Sweet Home: How Much Do Employees Value Remote Work?

By: Zoë B. Cullen, Bobak Pakzad-Hurson and Ricardo Perez-Truglia

We estimate the value employees place on remote work using revealed preferences in a high-stakes, real-world context, focusing on U.S. tech workers. On average, employees are willing to accept a 25% pay cut for partly or fully remote roles. Our estimates are three to... View Details

Keywords: Employees; Compensation and Benefits; Satisfaction; Value; Research

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2009
Working Paper

Strategic Interactions in Two-Sided Market Oligopolies

By: Emmanuel Farhi and Andrei Hagiu

Strategic interactions between two-sided platforms depend not only on whether their decision variables are strategic complements or substitutes as for one-sided firms, but also -and crucially so- on whether or not the platforms subsidize one side of the market in... View Details

Keywords: Two-Sided Markets; Strategic Complements; Strategic Substitutes; Cost; Investment; Profit; One-Sided Platforms; Two-Sided Platforms; Duopoly and Oligopoly; Competitive Advantage