Publications

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2015
Working Paper

Online Word of Mouth and Product Review Disagreement

By: Frank Nagle and Christoph Riedl

Studies of online word of mouth have frequently posited―but never systematically conceptualized and explored―that the level of disagreement between existing product reviews can impact the volume and the valence of future reviews. In this study we develop a theoretical... View Details

Keywords: Online Word Of Mouth; Online Communities; Viral Marketing; Online Product Reviews; Quality; Internet and the Web; Consumer Behavior; Marketing Reference Programs; Social and Collaborative Networks; Digital Marketing; Analytics and Data Science

SSRN

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2003
Book

Business History Around the World

By: Franco Amatori and Geoffrey Jones

This book offers the first in-depth international survey of current research and debates in business history. It provides wide-ranging surveys of the literature in the United States, Europe, Latin America, Japan and the Chinese-speaking world, and examines... View Details

Keywords: Family Business; Debates; Business History; Body of Literature; Surveys; Business and Government Relations; Research; China; Japan; Europe; Latin America; United States

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20 Oct 2012
News

Business leaders expect slump to linger

30 Jun 2009
Research Event

Business Summit: The Role of Business Leaders in Sustaining Market Capitalism

Editor's Note: This is a summary of an HBS Business Summit presentation. View a full summary and video of the event on the HBS Centennial Web site linked below. Date of Event: October 14, 2008 Moderators:... View Details

Keywords: Re: Multiple Faculty

Web

Harvard Business School

Baker Library Special Collections Exhibits More Exhibits Explore the Exhibit Student Pioneers The Value of Business Education The Golden Age of Black Business AASU Early Years & Influence AASU Founders Core... View Details

February 2023 (Revised February 2024)
Case

Doing Business in Istanbul, Turkey

By: Prithwiraj Choudhury, Leonard A. Schlesinger, Namrata Arora and Umut Arslan

This case examines the challenges and opportunities of doing business in Turkey. It highlights Turkey's economic transformation in the decades leading up to 2024 in the context of its history, culture, and politics. The case gives an overview of some of the main... View Details

Keywords: Business History; Business and Government Relations; Technological Innovation; Foreign Direct Investment; Economic Growth; Financial Crisis; Technology Industry; Tourism Industry; Turkey

February 1985
Case

Business Research Corp. (B)

By: William A. Sahlman

Contains a description of a set of related decisions confronting the management and directors of Business Research Corp. (BRC) in April of 1984. BRC needs more capital to finance continued development of the market for a full-text database comprised of Wall Street... View Details

Keywords: Decisions; Finance; Capital Structure; Capital; Goals and Objectives; Conflict of Interests; Business Plan; Financing and Loans; Ethics

August 2025
Article

Revenue Collapses and the Consumption of Small Business Owners in the COVID-19 Pandemic

By: Olivia S. Kim, Jonathan A. Parker and Antoinette Schoar

Using financial account data linking small businesses to their owner households, we examine how business owners’ consumption responded to changes in business revenues during the COVID-19 crisis. In the first two months following the National Emergency, business... View Details

Keywords: Revenue; Small Business; Health Pandemics; Spending; Consumer Behavior

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17 Nov 2015
HBS Seminar

Kevin Boudreau, Harvard Business School, London Business School

June 2004 (Revised July 2005)
Case

Procter & Gamble: Global Business Services

By: Thomas J. DeLong, Warren Brackin, Alex Cabanas, Phil Shellhammer and David L. Ager

Dave Walker, vice-president of business service opportunities and chairman of the governance team at Procter & Gamble, must decide what to do with P&G's 5,700 employee Global Business Services (GBS) group. GBS brought together internal services such as finance,... View Details

Keywords: Business Units; Change Management; Decision Making; Globalized Firms and Management; Job Cuts and Outsourcing; Organizational Design

March 2012
Case

The Agnellis and Fiat: Family Business Governance in a Crisis (A)

By: John A. Davis, Bernardo Bertoldi and Roberto Quaglia

After the death of Umberto Agnelli in 2004, the Agnelli family, led by John Elkann, needs to decide whether to keep Fiat CEO Giuseppe Morchio. The Fiat Group is in a delicate financial position, and John Elkann, the new family leader, is untested in this role. The... View Details

Keywords: Family Business; Family Ownership; Management Teams; Leadership; Corporate Governance; Crisis Management; Auto Industry; Manufacturing Industry; Italy

Teaching Interest

Doing Business in Africa

By: John D. Macomber

This course introduces frameworks and models for smart and focused investing and operations across sectors, nations, industries, and time frames in Africa. Students will learn tools and skills to help navigate the business landscape of Africa in terms of selection... View Details

Keywords: Africa

June 2018
Teaching Note

Relax (Boston): Innovating and Growing an Entrepreneurial Business (Brief Case)

By: Paul Marshall and Carole Carlson

Teaching Note for HBS No. 918-523. View Details