Publications

Educators

30 Sep 2009
Working Paper Summaries

Breakthrough Inventions and Migrating Clusters of Innovation

Keywords: by William R. Kerr; Technology

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

February 2019
Article

The Market for Financial Adviser Misconduct

By: Mark Egan, Gregor Matvos and Amit Seru

We construct a novel database containing the universe of financial advisers in the United States from 2005 to 2015, representing approximately 10% of employment of the finance and insurance sector. We provide the first large-scale study that documents the economy-wide... View Details

Keywords: Financial Advisors; Brokers; Consumer Finance; Financial Misconduct And Fraud; FINRA; Financial Institutions; Crime and Corruption; Organizational Culture; Personal Finance; Financial Services Industry

November 2017
Article

A Retrospective Analysis of Hypertension Screening at a Mass Gathering in India: Implications for Non-communicable Disease Control Strategies

By: S. Balsari, P. Vemulapalli, M. Gofine, K. Oswal, R. Merchant, S. Saunik, G. Greenough and T. Khanna

Cardiovascular disease is the leading cause of mortality from noncommunicable diseases (NCD) in India. The government’s National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases and Stroke seeks to increase capacity building, screening,... View Details

Keywords: Health Disorders; Health Care and Treatment; Problems and Challenges; India

Register to Read

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

Web

Browse All Articles, Research, & Case Studies - HBS Working Knowledge

Avery Forman Misinformation can sway opinions about political candidates, important issues, and even corporate brands. Despite the prevalence of falsehoods and misleading headlines on social media, research by Jillian Jordan shows that... View Details

08 May 2008
Working Paper Summaries

Organizational Design and Control across Multiple Markets: The Case of Franchising in the Convenience Store Industry

Keywords: by Dennis Campbell, Srikant M. Datar & Tatiana Sandino; Retail; Food & Beverage

12 Dec 2006
First Look

First Look: December 12, 2006

Working PapersNone available this week Cases & Course MaterialsAnalyzing Work Groups Harvard Business School Note 407-032 Purchase this note: http://www.hbsp.harvard.edu/b01/en/common/item_detail.jhtml?id=407032 Ayala Corp Harvard Business School Case 207-041... View Details

Keywords: Martha Lagace

2018
Working Paper

Black Out-Migration and Southern Political Realignment

By: Leah Boustan and Marco Tabellini

Can emigration from less democratic and economically less developed areas induce political and economic change? We study this question in the context of the second Great Migration of African Americans (1940–1970), when more than 4 million blacks left the U.S. South and... View Details

Keywords: Great Migration; Immigration; Race; Government and Politics; Economics; United States

27 Jan 2022
HBS Seminar

Hamsa Bastani, Wharton

2020
Article

Why Do User Communities Matter for Strategy?

By: Sonali K. Shah and Frank Nagle

In this essay, we explore how strategic management research and practice could benefit from considering the benefits and challenges obtainable through working with user communities. User communities represent a unique organizing structure for the exchange of ideas and... View Details

Keywords: User Communities; Innovation; Open Source; Collaboration; Cooperative Strategy; Knowledge Sharing; Strategy; Collaborative Innovation and Invention

July–August 2020
Article

Price Bargaining and Competition in Online Platforms: An Empirical Analysis of the Daily Deal Market

By: Lingling Zhang and Doug J. Chung

The prevalence of online platforms opens new doors to traditional businesses for customer reach and revenue growth. This research investigates platform choice in a setting where prices are determined by negotiations between platforms and businesses. We compile a unique... View Details

Keywords: Business-to-business Marketing; Platform Competition; Two-Sided Markets; Price Bargaining; Daily Deals; Structural Model; Digital Platforms; Competition; Price; Negotiation

October 2016 (Revised January 2017)
Background Note

The U.S. Health Club Industry, 2005–2016

By: John R. Wells and Gabriel Ellsworth

In 2015, the U.S. health-club industry generated revenues of $25.8 billion, up from $14.8 billion in 2004. Members of health clubs accounted for 17% of the population, up from 14%. The number of clubs had grown from 26,830 in 2004 to 36,180. In the process, the list of... View Details

Educators

Working Paper

Covenant-Light Contracts and Creditor Coordination

By: Bo Becker and Victoria Ivashina

In 2015, 70% of newly issued leveraged loans had weaker enforcement features, called covenant-light or "cov-lite"; this is nearly a three-time increase in cov-lite issuance compared to a previous peak in 2007. We evaluate whether this development can be attributed to... View Details

Keywords: Credit Cycles; Loan Contracts; Debt Covenants; Contracts; Financing and Loans; Credit; Borrowing and Debt

SSRN

2015
Working Paper

Business Groups Exist in Developed Markets Also: Britain Since 1850

By: Geoffrey Jones

Diversified business groups are well-known phenomena in emerging markets, both today and historically. This is often explained by the prevalence of institutional voids or the nature of government-business relations. It is typically assumed that such groups were much... View Details

Keywords: Business Groups; Business History; Economic History; Conglomerates; Entrepreneurship; Globalization; Management; Organizations; United Kingdom

SSRN

15 Nov 2007
Working Paper Summaries

The Dynamic Interplay of Inequality and Trust: An Experimental Study

Keywords: by Ben Greiner, Axel Ockenfels & Peter Werner

2018
Chapter

The Orphan Drug Act at 35: Observations and an Outlook for the Twenty-First Century

By: Nicholas Bagley, Benjamin Berger, Amitabh Chandra, Craig Garthwaite and Ariel Dora Stern

On the 35th anniversary of the adoption of the Orphan Drug Act (ODA), we describe the enormous changes in the markets for therapies for rare diseases that have emerged over recent decades. The most prominent example is the fact that the profit-maximizing price of new... View Details

Keywords: Health Care and Treatment; Laws and Statutes; Research and Development; Investment; Markets; Monopoly

Register to Read

December 2016
Article

Fake It Till You Make It: Reputation, Competition, and Yelp Review Fraud

By: Michael Luca and Georgios Zervas

Consumer reviews are now part of everyday decision making. Yet, the credibility of these reviews is fundamentally undermined when businesses commit review fraud, creating fake reviews for themselves or their competitors. We investigate the economic incentives to commit... View Details

Keywords: Ethics; Marketing Reference Programs

2015
Working Paper

Fake It Till You Make It: Reputation, Competition, and Yelp Review Fraud

By: Michael Luca and Georgios Zervas

Consumer reviews are now part of everyday decision-making. Yet, the credibility of these reviews is fundamentally undermined when businesses commit review fraud, creating fake reviews for themselves or their competitors. We investigate the economic incentives to commit... View Details

Keywords: Information; Competition; Internet and the Web; Ethics; Reputation; Social and Collaborative Networks; Retail Industry; Food and Beverage Industry

SSRN