Publications

March 2022
Article

Estimating the Effectiveness of Permanent Price Reductions for Competing Products Using Multivariate Bayesian Structural Time Series Models

By: Fiammetta Menchetti and Iavor Bojinov

Researchers regularly use synthetic control methods for estimating causal effects when a sub-set of units receive a single persistent treatment, and the rest are unaffected by the change. In many applications, however, units not assigned to treatment are nevertheless... View Details

Keywords: Causal Inference; Partial Interference; Synthetic Controls; Bayesian Structural Time Series; Mathematical Methods

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March 2008
Course Overview Note

Dynamic Markets

By: Joshua D. Coval and Erik Stafford

The Dynamic Markets course at Harvard Business School is organized around the hands-on application of financial decision making in a wide variety of capital market settings. The course relies heavily on in-class simulations of a range of market settings where students... View Details

Keywords: Value Creation; Decision Making; Capital Markets; Competitive Strategy; Profit; Applications and Software; Information; Strategy; Price; Outcome or Result; Curriculum and Courses; Theory

January 2008 (Revised August 2008)
Case

The Time Warner Center: Mixed-Use Development

By: A. Eugene Kohn, Arthur I Segel and David Lane

Despite the failure of other attempts to bring mixed use development in New York City, Related Companies in 2004 opened Time Warner Center, a huge complex incorporating offices, shops, restaurants, music auditoriums, a hotel, and luxury apartments on Columbus Circle in... View Details

Keywords: Risk and Uncertainty; Marketing; Buildings and Facilities; Construction; Development Economics; New York (city, NY)

February 2021 (Revised April 2024)
Case

Shopify: The Conquest for Chinese E-Commerce

By: Jeffrey F. Rayport, Avani Patel, Samantha Lin and Ariel Yang

In mid-2020, Tobias Lütke, CEO of Shopify, faced a critical decision on how to time potential expansion into the China market. Over the prior 15 years, his Canadian software-as-a-service company had grown from a small e-commerce solutions provider to a full service... View Details

June 2002
Article

The Timing of Bids in Internet Auctions: Market Design, Bidder Behavior, and Artificial Agents

By: Axel Ockenfels and Alvin E. Roth

Keywords: Auctions; Bids and Bidding; Internet and the Web; Markets; Design; Behavior; Internet and the Web

July 1996
Article

New Product Development Structures: The Effect of Customer Overload on Post-Concept Time to Market

By: S. Datar, C. Jordan, S. Kekre, S. Rajiv and K. Srinivasan

Keywords: Product; Research and Development; Customers; Markets

19 Nov 2014
HBS Case

Marketing Marijuana

against federal law? But in the absence of enforcement action by the United States government, perhaps the better question is, what will the inevitable national market in marijuana shake out? Will it consist of grungy underground head... View Details

Keywords: by Michael Blanding; Food & Beverage

Article

On Market Timing and Investment Performance Part II: Statistical Procedures for Evaluating Forecasting Skills

By: Robert C. Merton and Roy D. Henriksson

Keywords: Investment; Performance; Mathematical Methods; Forecasting and Prediction

January 2019
Case

Understanding the Brand Equity of Nestlé Crunch Bar: A Market Research Case

By: Jill Avery and Gerald Zaltman

In early 2018, Nestlé announced the sale of its U.S. candy-making division and a select collection of 20 of its confectionery brands, including the Nestlé Crunch Bar, to Ferrero SpA for $2.8 billion. Under the terms of the Nestlé acquisition, each of the purchased... View Details

Keywords: Brand Equity; Marketing; Market Research; Qualitative Research; Marketing Communication; Customer Satisfaction; Brands and Branding; Consumer Behavior; Marketing Communications; Marketing Strategy; Food and Beverage Industry; United States; North America; Italy

16 Jul 2014
HBS Case

Marketing Obamacare

healthcare legislation in the US ensured that it would be complex and tough to sell to the public, Quelch says. But that was just the problem: Congress and the Obama Administration didn't sell it. "Fundamentally, it's a marketing... View Details

Keywords: by Michael Blanding; Health

Article

The Value of Trading Relations in Turbulent Times

By: Marco Di Maggio, Amir Kermani and Zhaogang Song

This paper investigates how dealers’ trading relations shape their trading behavior in the corporate bond market. Dealers charge lower spreads to dealers with whom they have the strongest ties and more so during periods of market turmoil. Systemically important dealers... View Details

Keywords: OTC Markets; Network; Corporate Bonds; Crisis; Intermediation Chains; Leaning Against The Wind; Networks; Bonds; Behavior; Financial Crisis

September 1994 (Revised May 1995)
Case

Time Life, Inc. (A)

By: David A. Garvin and Jonathan West

Time Life has historically been a continuity book publisher, selling 20-volume book series via direct mail. Now, however, music and video/TV divisions have been added, and the CEO is trying to craft a strategy that will align the divisions so they can produce... View Details

Keywords: Business Strategy; Corporate Strategy; Business Divisions; Horizontal Integration; Production; Creativity; Alignment; Advertising; Publishing Industry

2025
Working Paper

Government-Brokerage Analysts and Market Stabilization: Evidence from China

By: Sheng Cao, Xianjie He, Charles C.Y. Wang and Huifang Yin

We show analysts at government-controlled brokerage firms serve as a market stabilization tool in China. Using earnings forecasts from 2005–2019, we find government-brokerage analysts issue relatively more optimistic—yet less accurate and timely—forecasts during... View Details

Keywords: Sell-side Analysts; Forecast Optimism; Forecast Accuracy; Government Incentives; Market Stabilization; Government Ownership; Coordinated Economies; Stocks; Forecasting and Prediction; Business and Government Relations; Emerging Markets

SSRN

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February 2010 (Revised October 2010)
Case

YouTube: Time to Charge Users?

By: Anita Elberse and Sunil Gupta

In January 2010, YouTube, the world's largest online video aggregator, was still seeking to become profitable. Was the time right for Google, YouTube's parent company, to charge users seeking to upload content, as some analysts had suggested—and if so, who should be... View Details

Keywords: Digital Marketing; Business Model; Cost; Profit; Revenue; Consumer Behavior; Internet and the Web; Motion Pictures and Video Industry

August 2004 (Revised February 2006)
Case

Marketing James Patterson

By: John A. Deighton

Can a successful novelist use direct-to-consumer marketing to grow his brand? The author, who in a previous career ran a major advertising agency, uses advertising with great success to build his stature as a crime fiction writer. Further, he applies his experience at... View Details

Keywords: Advertising; Debates; Surveys; SWOT Analysis; Brands and Branding; Marketing Channels; Product Marketing; Consumer Behavior; Outcome or Result; Sales

27 Apr 2009
Research & Ideas

Building Businesses in Turbulent Times

Battered by contracting markets and frozen credit, many businesses today are fighting for survival. Indeed, the current global financial crisis provides a mandate for restructuring. But survival is not the end goal, says Harvard Business... View Details

Keywords: by Staff

2023
Working Paper

Scapegoating and Discrimination in Times of Crisis: Evidence from Airbnb

By: Michael Luca, Elizaveta Pronkina and Michelangelo Rossi

We present evidence that discrimination against Asian-American Airbnb users sharply increased at the start of the COVID-19 pandemic. Using a DiD approach, we find that hosts with distinctively Asian names experienced a 20 percent decline in guests relative to hosts... View Details

Keywords: Discrimination; Behavioral Economics; Market Design; Health Pandemics; Prejudice and Bias; Digital Platforms; Design

May 2019
Article

Corporate Debt, Firm Size and Financial Fragility in Emerging Markets

By: Laura Alfaro, Gonzalo Asis, Anusha Chari and Ugo Panizza

The post-Global Financial Crisis period shows a surge in corporate leverage in emerging markets and a number of countries with deteriorated corporate financial fragility indicators (Altman’s Z-score). Firm size plays a critical role in the relationship between... View Details

Keywords: Corporate Debt; Firm Size; Financial Fragility; Emerging Market; Organizations; Borrowing and Debt; Financial Condition; Emerging Markets; System Shocks

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March 2018
Article

Global Business over Time

By: Geoffrey Jones

This article explores how business enterprises have been powerful actors in the spread of global capitalism between 1840 and the present day. It also shows how global firms, emerging out of industrialized Western economies, created and co-created markets and ecosystems... View Details

Keywords: Global; Multinational; Business History; Globalization; Globalized Firms and Management; Globalized Markets and Industries; Economic Systems