Publications

Web

Prelude - Option Pricing in Theory & Practice: The Nobel Prize Research of Robert C. Merton - Exhibits - Historical Collections

Exhibit Introduction Prelude to the Option Pricing Model The Formula The Spread and Adoption of Option Pricing Models The Significance and Consequences of Financial Models Selected Bibliography Lenders to... View Details

Web

Introduction - Option Pricing in Theory & Practice: The Nobel Prize Research of Robert C. Merton - Exhibits - Historical Collections

Introduction Prelude to the Option Pricing Model The Formula The Spread and Adoption of Option Pricing Models The Significance and Consequences of Financial Models Selected Bibliography Lenders to the... View Details

July 2022 (Revised February 2024)
Teaching Note

The DivaCup: Navigating Distribution and Growth

By: Ayelet Israeli

Teaching Note for HBS Case No. 519-055. When the mother-daughter founders of DivaCup set out with a mission to disrupt the menstrual care industry with an innovative product form, they initially struggled to gain legitimacy and convince retailers to carry their unique... View Details

March 2019 (Revised April 2021)
Case

The DivaCup: Navigating Distribution and Growth

By: Ayelet Israeli

When the mother-daughter founders of DivaCup set out with a mission to disrupt the menstrual care industry with an innovative product form, they initially struggled to gain legitimacy and convince retailers to carry their unique product. Fifteen years later, the... View Details

01 Mar 2023
News

3-Minute Briefing: Qiao Ma (MBA 2010)

My dad was an engineering professor, but his true passion was the stock market. When I was six or seven years old, he brought me to a local brokerage office in Guangzhou. It was the early 1990s and the room was packed with men, all... View Details

Keywords: Julia Hanna; stock market; investment; finance; Australia; China; Asia; strategy; Securities, Commodities, and Other Financial Investments; Finance

November 2021
Article

Ratings, Reviews, and the Marketing of New Products

By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek

We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new... View Details

Keywords: Online Reviews; Product Ratings; Social Networks; Word Of Mouth; Pricing; User-generated Content; Advertising; Product Marketing; Price; Consumer Behavior; Product Positioning; Social Media

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July 2024
Article

The Passive-Ownership Share Is Double What You Think It Is

By: Alex Chinco and Marco Sammon

Each time a stock gets added to or dropped from a benchmark index, we ask: “How much money would have to be tracking that index to explain the huge spike in rebalancing volume we observe on reconstitution day?” While index funds held 16% of the US stock market in 2021,... View Details

Keywords: Indexing; Passive Investing; Exchange-traded Funds (ETFs); Russell Reconstitution Day; Trading Volume; Information-based Asset Pricing; Investment Funds; Asset Pricing

SSRN

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2024
Working Paper

What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences

By: Mark Egan, Alexander MacKay and Hanbin Yang

We present an empirical model of portfolio choice that allows for the nonparametric estimation of investors' (subjective) expectations and risk preferences. Utilizing a comprehensive dataset of 401(k) plans from 2009 through 2019, we explore heterogeneity in asset... View Details

Keywords: Stock Market Expectations; Demand Estimation; Retirement Planning; Defined Contribution Retirement Plan; 401 (K); Finance; Investment Portfolio; Investment; Retirement; Behavioral Finance; Financial Services Industry; United States

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September 2004
Article

Decomposing the Persistence of International Equity Flows

By: Kenneth A. Froot and J. Tjornhom Donohue

Keywords: Asset Pricing; Equity Investment; Forecasting and Prediction; Behavioral Finance; Stocks; Investment Return; Market Transactions; Performance Expectations; Personal Characteristics; Financial Services Industry

August 2018
Case

Digital Transformation at Brazilian Retailer Magazine Luiza

By: Thales S. Teixeira, Leandro A. Guissoni and Tania Modesto Veludo-de-Oliveira

By late 2017, Brazilian retailer Magazine Luiza's CEO was convinced that the company could significantly grow sales and accomplish its aspirations of digital transformation. What was unclear in his mind was whether he should act as a tech company and grow as fast as... View Details

Keywords: Digital; Ecommerce; Retailing; Brazil; Bricks And Mortar; Pricing; Customer Lifetime Value; Growth and Development Strategy; Internet and the Web; Transformation; Decision Choices and Conditions; Retail Industry; Brazil

Web

The Formula - Option Pricing in Theory & Practice: The Nobel Prize Research of Robert C. Merton - Exhibits - Historical Collections

Introduction Prelude to the Option Pricing Model The Formula The Spread and Adoption of Option Pricing Models The Significance and Consequences of Financial Models Selected Bibliography Lenders to the... View Details

Web

The Permanent Exhibit - Option Pricing in Theory & Practice: The Nobel Prize Research of Robert C. Merton - Exhibits - Historical Collections

Introduction Prelude to the Option Pricing Model The Formula The Spread and Adoption of Option Pricing Models The Significance and Consequences of Financial Models Selected Bibliography Lenders to the... View Details

Research Summary

Markets, Information, and Efficiency

Professor Meulbroeks market efficiency research focuses on the closely related questions of whether markets properly reflect information that affects a firm's value, and in turn how stock prices influence managerial behavior. In this area, she studies why some firms... View Details

February 2021 (Revised June 2021)
Case

Brainlab: Imaging a MedTech Future

By: Regina E. Herzlinger, Gregory P. Licholai and Federica Gabrieli

Can Brainlab, a privately held firm, compete with giants like Medtronic and Amazon in delivering the Digital Operating Room of the future? The CEO is pondering solutions for secure exchange of medical information, pricing a new robotic imaging device, and reorganizing... View Details

January 2018 (Revised October 2020)
Case

The Rise and Rise (?) of Walmart (A): Battling Kmart

By: Ramon Casadesus-Masanell, Eric Van den Steen and Karen Elterman

This case, set in 1990, describes the history of Walmart and asks what competitive strategies Kmart might adopt in response to Walmart's success. It discusses the strategy and organization of both companies in terms of HR practices, store location, distribution,... View Details

Keywords: Walmart; Kmart; Organization; Company Culture; Pricing; Procurement; Supercenter; Strategy; Competition; Organizational Culture; Competitive Strategy; Retail Industry; United States; Bentonville; Arkansas

2022
Working Paper

Exclusive Dealing and Entry by Competing Two-Sided Platforms

By: Cristian Chica, Kenneth Chuk and Jorge Tamayo

We study competition between horizontally differentiated platforms offering exclusive and non-exclusive contracts to one side of the market (content providers). The introduction of non-exclusive contracts in addition to exclusive contracts softens the competition for... View Details

Keywords: Two-Sided Markets; Platform Price Competition; Network Externalities; Exclusive Contracts; Multi-homing; Digital Platforms; Price; Competition; Contracts

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December 2012
Case

Trouble Brewing for Green Mountain Coffee Roasters

By: Suraj Srinivasan and Michael Norris

In October 2011, noted hedge fund manager David Einhorn of Greenlight Capital delivered a presentation at an investors' conference analyzing the business and accounting quality weaknesses of Green Mountain Coffee Roasters. Until then Green Mountain had exhibited rapid... View Details