Publications

SSRN

Summer 2013
Article

Real Estate Prices During the Roaring Twenties and the Great Depression

By: Tom Nicholas and Anna Scherbina

Using new data on market-based transactions we construct real estate price indexes for Manhattan between 1920 and 1939. During the 1920s prices reached their highest level in the third quarter of 1929 before falling by 67% at the end of 1932 and hovering around that... View Details

Keywords: Property; Market Transactions; Price; Value; Financial Crisis; Investment; Real Estate Industry; New York (state, US)

Find at Harvard

Read Now

01 Nov 2011
First Look

First Look: Nov. 1

risen in Indian politics. Has there been a corresponding change in the economy? Using comprehensive data on enterprise ownership from the Economic Censuses of 1990, 1998, and 2005, we document substantial... View Details

Keywords: Sean Silverthorne

14 Jun 2016
First Look

June 14, 2016

which analysis of the numbers, facts, and data fails to provide a clear answer. Gray areas test not only managers’ skills but also their humanity. This book presents a five-question framework—based on the long humanist tradition of... View Details

Keywords: Sean Silverthorne

September 2017
Case

Tencent

By: John R. Wells and Gabriel Ellsworth

Tencent had undergone many transformations since it was founded in 1998 as a simple messaging service. In 2017, it was the largest online games provider in China with a wide range of game types, China’s largest social networking service provider with several of the... View Details

Keywords: Tencent; Tencent Holdings; WeChat; Social Networking; Social Networks; Gaming; Gaming Industry; Video Games; Computer Games; Mobile Gaming; Portals; Payments; Mobile Payments; O2O; Online-to-offline; E-commerce; Messaging; Subscription Model; Freemium; Mobile App Industry; Smartphone; PC; Monetization Strategy; Antitrust; Streaming; Cloud Computing; Artificial Intelligence; Big Data; Alibaba; Facebook; JD.com; Tesla; Bundling; Synergies; Digital Strategy; Imitation; Licensing; Agility; Entry Barriers; Online Platforms; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Units; Business Growth and Maturation; Business Organization; For-Profit Firms; Joint Ventures; Restructuring; Communication; Communication Technology; Blogs; Interactive Communication; Interpersonal Communication; Entertainment; Film Entertainment; Games, Gaming, and Gambling; Music Entertainment; Investment; Investment Portfolio; Price; Profit; Revenue; Geographic Scope; Cross-Cultural and Cross-Border Issues; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Business History; Innovation Strategy; Technological Innovation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Product Positioning; Social Marketing; Network Effects; Emerging Markets; Market Entry and Exit; Digital Platforms; Industry Growth; Monopoly; Media; Distribution Channels; Product Development; Service Delivery; Organizational Change and Adaptation; Organizational Structure; Public Ownership; Problems and Challenges; Business and Government Relations; Groups and Teams; Networks; Opportunities; Social and Collaborative Networks; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Cooperation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Vertical Integration; Segmentation; Information Technology; Internet and the Web; Mobile and Wireless Technology; Internet and the Web; Applications and Software; Information Infrastructure; Digital Platforms; Internet and the Web; Mobile and Wireless Technology; Value Creation; Communications Industry; Entertainment and Recreation Industry; Financial Services Industry; Information Industry; Information Technology Industry; Media and Broadcasting Industry; Motion Pictures and Video Industry; Music Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; Web Services Industry; Asia; China; Canton (province, China)

January 2003 (Revised May 2005)
Case

Zipcar: Refining the Business Model

By: Myra M. Hart, Michael J. Roberts and Julia Stevens

Zipcar is a start-up organized around the idea of "sharing" car usage via a membership organization. This case describes several iterations of the Zipcar business model and financial plan. These iterations include a very early version and a version developed just prior... View Details

Keywords: Service Operations; Renting or Rental; Business Model; Business Plan; Entrepreneurship; Economic Growth; Management Skills; Transportation; Business Startups; Financial Strategy; Corporate Finance; Growth and Development Strategy; Transportation Industry; Service Industry

June 1997 (Revised February 2012)
Background Note

A Note on Franchising

By: Paul A. Gompers and Catherine M. Conneely

Examines the motivations for franchising. Examines the academic literature in the area and draws implications for franchising patterns. Also provides data on franchising patterns. View Details

Keywords: Franchise Ownership

February 2017
Background Note

A Note on Franchising (Abridged)

By: Paul A. Gompers

Examines the motivations for franchising. Examines the academic literature in the area and draws implications for franchising patterns. Also provides data on franchising patterns. View Details

Keywords: Franchise Ownership

14 Sep 2011
Working Paper Summaries

Ethnic Innovation and US Multinational Firm Activity

Keywords: by C. Fritz Foley & William R. Kerr

February 2025
Article

Sale of Private Equity–Owned Physician Practices and Physician Turnover

By: Victoria Berquist, Lev Klarnet and Leemore Dafny

Private equity (PE) ownership of physician practices is increasing, with owners targeting sales, or exits, in 3 to 7 years. Little is known about the association of exit with physician retention and subsequent employment. Using panel data over the period 2014-2020, we... View Details

Keywords: Private Equity; Retention; Health Industry

Register to Read

January 2, 2020
Article

Changes in Quality of Care After Hospital Mergers and Acquisitions

By: Nancy Dean Beaulieu, Leemore S. Dafny, B. E. Landon, Jesse Dalton, Ifedayo Kuye and J. Michael McWilliams

Background: The hospital industry has consolidated substantially during the past two decades and at an accelerated pace since 2010. Multiple studies have shown that hospital mergers have led to higher prices for commercially insured patients, but research about effects... View Details

Keywords: Hospitals; Mergers and Acquisitions; Health Care and Treatment; Quality

Find at Harvard

Register to Read

August 2023 (Revised March 2024)
Case

Arla Foods: Data-Driven Decarbonization (A)

By: Michael Parzen, Michael W. Toffel, Susan Pinckney and Amram Migdal

The case describes Arla’s history, in particular its climate change mitigation efforts, and how it implemented a price incentive system to motivate individual farms to implement scope 1 greenhouse gas emissions mitigation measures and receive a higher milk price. The... View Details

August 2023 (Revised January 2024)
Supplement

Arla Foods: Data-Driven Decarbonization (B)

By: Michael Parzen, Michael W. Toffel, Susan Pinckney and Amram Migdal

The case describes Arla’s history, in particular its climate change mitigation efforts, and how it implemented a price incentive system to motivate individual farms to implement scope 1 greenhouse gas emissions mitigation measures and receive a higher milk price. The... View Details

2014
Working Paper

The Diseconomies of Queue Pooling: An Empirical Investigation of Emergency Department Length of Stay

By: Hummy Song, Anita L. Tucker and Karen L. Murrell

We conduct an empirical investigation of the impact of queue management on patients' average wait time and length of stay (LOS). Using an Emergency Department's (ED) patient-level data from 2007 to 2010, we find that patients' average wait time and LOS are longer when... View Details

Keywords: Pooling; Queue Management; Strategic Servers; Social Loafing; Empirical Operations; Health Care; Fairness; Management Practices and Processes; Service Delivery; Health Care and Treatment; Health Industry

Read Now

2014
Working Paper

Digital Discrimination: The Case of Airbnb.com

By: Benjamin Edelman and Michael Luca

Online marketplaces often contain information not only about products, but also about the people selling the products. In an effort to facilitate trust, many platforms encourage sellers to provide personal profiles and even to post pictures of themselves. However,... View Details

Keywords: Prejudice and Bias; Internet and the Web; Race; Trust; Renting or Rental; Accommodations Industry; Real Estate Industry

SSRN

Read Now

July 2022
Teaching Note

Arçelik (A), (B): From a Dealer Network to an Omnichannel Experience

By: Ayelet Israeli, Fares Khrais and Menna Hassan

Arçelik Turkey, the country’s market leader in household appliances, was at an omnichannel crossroads in January 2020. Arçelik was a B2B player utilizing a dealership network with an umbrella of brands and had one of the largest brick-and-mortar store networks in... View Details

November 2024
Article

A National Analysis of General Pediatric Inpatient Unit Closures and Openings, 2011–2018

By: Carolyn San Soucie, Nancy D. Beaulieu, Jason D. Buxbaum, David Cutler, JoAnna K. Leyenaar, Sarah C. McBride, Olivia Zhao and Alyna T. Chien

OBJECTIVES: This paper provides an examination of: (1) the frequency and net rates of change for general pediatric inpatient (GPI) unit closures and openings nationally and by state; (2) how often closures or openings are caused by GPI unit changes only or caused by... View Details

Keywords: Health Industry