Publications

Ashley Whillans is the Volpert Family Associate Professor of Business Administration at the Harvard Business School, where she teaches the Motivation and Incentives course to MBA students. Professor Whillans earned her PhD in Social Psychology from the University of... View Details

2009
Article

Compelled to Help: Effects of Direct and Indirect Exchange on Perceived Obligation in Professional Networks

By: Roy Y.J. Chua, Billian Sullivan and Michael W. Morris

This research examines felt obligation to help others in employees' and managers' professional networks using a social exchange perspective. We hypothesize that obligation toward others would follow the norms of both direct and indirect reciprocity. Direct reciprocity... View Details

Keywords: Perspective; Conflict of Interests; Research; Surveys; Networks; Forecasting and Prediction; Social Issues

February 2024
Article

Representation and Extrapolation: Evidence from Clinical Trials

By: Marcella Alsan, Maya Durvasula, Harsh Gupta, Joshua Schwartzstein and Heidi L. Williams

This article examines the consequences and causes of low enrollment of Black patients in clinical trials. We develop a simple model of similarity-based extrapolation that predicts that evidence is more relevant for decision-making by physicians and patients when it... View Details

Keywords: Representation; Racial Disparity; Health Testing and Trials; Race; Equality and Inequality; Innovation and Invention; Pharmaceutical Industry

08 Dec 2010
Working Paper Summaries

Decoding Inside Information

Keywords: by Lauren Cohen, Christopher Malloy & Lukasz Pomorski; Financial Services

fall 2007
Article

The Design of Patent Pools: The Determinants of Licensing Rules

By: Josh Lerner, Marcin Strojwas and Jean Tirole

Patent pools are an important but little-studied economic institution. In this paper, we first make a set of predictions about the licensing terms associated with patent pools. The theoretical framework predicts that (a) pools consisting of complementary patents are... View Details

Keywords: Governing Rules, Regulations, and Reforms; Collaborative Innovation and Invention; Patents; Rights

18 Nov 2015
News

The internet of things will bring makers closer to customers

03 Jan 2014
News

Book Review: 'Fortune Tellers' by Walter Friedman

30 Apr 2020
News

A Harvard Professor Calling for Us to ‘Reimagine Capitalism’ Says COVID-19 Has Revealed 3 Fault Lines in Our Economy

2001
Working Paper

When Does the Market Matter? Stock Prices and the Investment of Equity Dependent Firms

By: Malcolm Baker, Jeremy Stein and Jeffrey Wurgler

We use a simple model of corporate investment to determine when investment will be sensitive to non-fundamental movements in stock prices. The key cross-sectional prediction of the model is that stock prices will have a stronger impact on the investment of firms that... View Details

Keywords: Investment; Equity; Stocks; Price; Mathematical Methods; Forecasting and Prediction

August 1998
Background Note

Selling Books Online in Mid-1998

By: Jeffrey F. Rayport, Carin-Isabel Knoop and Cate Reavis

Provides an overview of the trends and predictions for the online book retail industry as of August 1998 and the current status of Amazon.com, BarnesandNoble.com, and other main players' online ventures. View Details

Keywords: Internet and the Web; Books; Retail Industry

January–February 2023
Article

Forecasting COVID-19 and Analyzing the Effect of Government Interventions

By: Michael Lingzhi Li, Hamza Tazi Bouardi, Omar Skali Lami, Thomas Trikalinos, Nikolaos Trichakis and Dimitris Bertsimas

We developed DELPHI, a novel epidemiological model for predicting detected cases and deaths in the prevaccination era of the COVID-19 pandemic. The model allows for underdetection of infections and effects of government interventions. We have applied DELPHI across more... View Details

Keywords: COVID-19 Pandemic; Epidemics; Analytics and Data Science; Health Pandemics; AI and Machine Learning; Forecasting and Prediction

07 Jun 2019
Working Paper Summaries

Reflexivity in Credit Markets

Keywords: by Robin Greenwood, Samuel G. Hanson, and Lawrence J. Jin

October 2016 (Revised April 2018)
Case

DataXu: Selling Ad Tech

By: Frank V. Cespedes, John Deighton, Lisa Cox and Olivia Hull

DataXu served marketers by buying digital advertising for brands using its demand-side platform. It sought a way to build a more predictable revenue stream in the very transactional media marketplace, and hoped that two new marketing analytics products would give it a... View Details

Keywords: Sales Management; Pricing; Programmatic Ad Buying; ＂Marketing Analytics＂; Advertising Technology; Sales; Digital Marketing; Marketing Strategy; Advertising Campaigns; Product Launch; Product Positioning; Media; Technology Industry; Advertising Industry; Boston; Massachusetts

Purchase

May 2006
Case

Nokia in 2003

By: Paul M. Healy

Examines the challenges facing a money manager who owns stock in Nokia, the leading wireless handset provider. Two analysts covering the stock make very different predictions about the economies of the industry, Nokia's future performance, and stock recommendations.... View Details

Keywords: Financial Reporting; Forecasting and Prediction; Performance Effectiveness; Performance Evaluation; Problems and Challenges; Electronics Industry

August 2003
Article

When Does the Market Matter? Stock Prices and the Investment of Equity-Dependent Firms

By: Malcolm Baker, Jeremy Stein and Jeffrey Wurgler

We use a simple model of corporate investment to determine when investment will be sensitive to non-fundamental movements in stock prices. The key cross-sectional prediction of the model is that stock prices will have a stronger impact on the investment of firms that... View Details

Keywords: Stocks; Price; Investment; Equity; Forecasting and Prediction; Rank and Position; Markets

March 2002 (Revised December 2002)
Background Note

A Note on Corporate Venturing and New Business Creation

By: David A. Garvin

Presents an introduction and overview of corporate venturing. Describes the need for companies to create new businesses, the stages in the process, predictable problems and challenges, the strengths and weaknesses of alternative approaches such as internal venture... View Details

Keywords: Business Plan; Business Startups; Forecasting and Prediction; Venture Capital; Problems and Challenges

Purchase

August 2018 (Revised September 2018)
Case

LendingClub (A): Data Analytic Thinking (Abridged)

By: Srikant M. Datar and Caitlin N. Bowler

LendingClub was founded in 2006 as an alternative, peer-to-peer lending model to connect individual borrowers to individual investor-lenders through an online platform. Since 2014 the company has worked with institutional investors at scale. While the company assigns... View Details

Keywords: Data Science; Data Analytics; Investing; Loans; Investment; Financing and Loans; Analytics and Data Science; Analysis; Forecasting and Prediction; Business Model