Publications

2023
Working Paper

An Experimental Design for Anytime-Valid Causal Inference on Multi-Armed Bandits

By: Biyonka Liang and Iavor I. Bojinov

Typically, multi-armed bandit (MAB) experiments are analyzed at the end of the study and thus require the analyst to specify a fixed sample size in advance. However, in many online learning applications, it is advantageous to continuously produce inference on the... View Details

Keywords: Analytics and Data Science; AI and Machine Learning; Mathematical Methods

June 2020
Article

Real-time Data from Mobile Platforms to Evaluate Sustainable Transportation Infrastructure

By: Omar Isaac Asensio, Kevin Alvarez, Arielle Dror, Emerson Wenzel, Catharina Hollauer and Sooji Ha

By displacing gasoline and diesel fuels, electric cars and fleets reduce emissions from the transportation sector, thus offering important public health benefits. However, public confidence in the reliability of charging infrastructure remains a fundamental barrier to... View Details

Keywords: Environmental Sustainability; Transportation; Infrastructure; Behavior; AI and Machine Learning; Demand and Consumers

Purchase

October 1, 2021
Article

An Evaluation of Cross-efficiency Methods: With an Application to Warehouse Performance.

By: B.M. Balk, M.R. De Koster, Christian Kaps and J.L. Zofio

Cross-efficiency measurement is an extension of Data Envelopment Analysis that allows for tie-breaking ranking of the Decision Making Units (DMUs) using all the peer evaluations. In this article we examine the theory of cross-efficiency measurement by comparing a... View Details

Keywords: Efficiency Analysis; Performance Benchmarking; Warehousing; Analytics and Data Science; Performance Evaluation; Measurement and Metrics; Mathematical Methods

September 16, 2022
Article

A Causal Test of the Strength of Weak Ties

By: Karthik Rajkumar, Guillaume Saint-Jacques, Iavor I. Bojinov, Erik Brynjolfsson and Sinan Aral

The authors analyzed data from multiple large-scale randomized experiments on LinkedIn’s People You May Know algorithm, which recommends new connections to LinkedIn members, to test the extent to which weak ties increased job mobility in the world’s largest... View Details

Keywords: Job Mobility; Social Networks; Social Ties; Networks; Personal Development and Career

Register to Read

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

August 2021
Article

Crowdsourcing Memories: Mixed Methods Research by Cultural Insiders-Epistemological Outsiders

By: Tarun Khanna, Karim R. Lakhani, Shubhangi Bhadada, Nabil Khan, Saba Kohli Davé, Rasim Alam and Meena Hewett

This paper examines the role that the two lead authors’ personal connections played in the research methodology and data collection for the Partition Stories Project—a mixed-methods approach to revisiting the much-studied historical trauma of the Partition of British... View Details

Keywords: Mixed Methods; Insider-outsiders; Myth Of Informed Objectivity; Hybrid Research; Oral Narratives; Research; Analysis; India

Purchase

2017
Working Paper

Salience through Information Technology: The Effect of Balance Availability on the Smoothing of SNAP Benefits

By: Andrew Hillis

Recipients of the Supplemental Nutrition Assistance Program (SNAP) run out of most benefits before halfway through a benefit deposit cycle. I study the introduction of a mobile software application, Fresh EBT, that enables beneficiaries to check their available balance... View Details

Keywords: Mobile Technology; Welfare or Wellbeing; Technology Adoption; Behavior

2014
Teaching Note

Fine Harvest Restaurant Group

By: Clara X. Chen, Kenneth A. Merchant, Tatiana Sandino and Wim Van der Stede

The Fine Harvest Restaurant Group cases A and B examine a company's design of a new system to evaluate the performance (and determine the bonuses) for its restaurant managers. Fine Harvest had traditionally evaluated restaurant managers based on store margins and had... View Details

Keywords: Incentive Systems; Relative Performance Evaluation; Restaurant Industry; Accounting; Economics; Human Resources; Measurement and Metrics; Labor; Performance; Salesforce Management; Retail Industry; North and Central America

27 Nov 2023
Research & Ideas

Voting Democrat or Republican? The Critical Childhood Influence That's Tough to Shake

The political bent of the neighborhood where they grew up—and especially where they spent their teen years. Beyond just parental influence, environmental factors such as friends, teachers, and media environment play a statistically... View Details

Keywords: by Ben Rand

26 Feb 2019
First Look

New Research and Ideas, February 26, 2019

https://www.hbs.edu/faculty/Pages/item.aspx?num=55749 forthcoming Review of Economics and Statistics Healthy Business? Managerial Education and Management in Healthcare By: Bloom, Nicholas, Raffaella Sadun, Renata Lemos, and John Van... View Details

Keywords: Dina Gerdeman

Web

Hire Talent

Hire Talent Hire Talent Work With Us to Meet Your Hiring Goals Discover HBS talent, engage and recruit current students and alumni, view employment statistics and gain recruiting insights and advice. Post Jobs and Access Resumes Promote... View Details

Design and Analysis of Switchback Experiments

Switchback experiments, where a firm sequentially exposes an experimental unit to random treatments, are among the most prevalent designs used in the technology sector, with applications ranging from ride-hailing platforms to online marketplaces. Although... View Details

Research Summary

Do Appearances Matter? The Impact of EPS Accretion and Dilution on Stock Prices

There is a widespread concern among practitioners and corporate managers that transactions which result in changes in future earnings-per-share (EPS) have real effects on stock prices, irrespective of whether these changes reflect differences in future cash flows. As... View Details

2013
Working Paper

Learning from Double-Digit Growth Experiences

By: Eric D. Werker

This extended memorandum identifies episodes of sustained double-digit growth in real GDP, defined as a compound annual growth rate of 10 percent or more over a period of 8 years or longer. Using a measure of real GDP reported in the World Development Indicators, we... View Details

Keywords: Growth; Liberia

2013
Working Paper

Cross-Border Reverse Mergers: Causes and Consequences

By: Jordan Siegel and Yanbo Wang

We study non-U.S. companies that have used reverse mergers as a means to adopt U.S. corporate law (and sometimes U.S. securities law as well). Early adopters of cross-border reverse mergers and those firms that hired a Big Four auditor exhibited superior corporate... View Details

Keywords: Reverse Merger; Corporate Law; Corporate Governance; Nevada; United States

SSRN

2012
Working Paper

When Do User Innovators Start Firms? A Theory of User Entrepreneurship

A rich and distinguished body of research has documented the importance of user innovations. For the most part, this literature has found that users innovate but do not commercialize their innovations. Instead, users benefit from using their innovations and allow... View Details

Keywords: Customers; Commercialization; Emerging Markets; Entrepreneurship; Innovation and Invention

October 2007
Article

The Effectiveness of Pre-Release Advertising for Motion Pictures: An Empirical Investigation Using a Simulated Market

By: Anita Elberse and Bharat N. Anand

One of the most visible and publicized trends in the movie industry is the escalation in movie advertising expenditures over time. Yet, the returns to movie advertising are poorly understood. The main reason is that disentangling the causal effect of advertising on... View Details

Keywords: Advertising; Stocks; Investment Return; Price; Revenue; Quality; Mathematical Methods; Motion Pictures and Video Industry