Publications

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2021
Working Paper

Population Interference in Panel Experiments

By: Iavor I Bojinov, Kevin Wu Han and Guillaume Basse

The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit's outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details

Keywords: Finite Population; Potential Outcomes; Dynamic Causal Effects; Mathematical Methods

SSRN

07 Oct 2014
News

Network Effect

after, because more genes with which to work would mean more avenues to explore in new drug development, exponentially increasing the chances of finding effective treatment and prevention. In 2004, the three... View Details

Keywords: Linda Kush

2007
Working Paper

Taxes and Portfolio Choice: Evidence from JGTRRA's Treatment of International Dividends

By: Mihir A. Desai and Dhammika Dharmapala

This paper investigates how taxes influence portfolio choices by exploring the response to the distinctive treatment of foreign dividends in the Jobs and Growth Tax Relief Reconciliation Act (JGTRRA). JGTRRA lowered the dividend tax rate to 15% for American equities... View Details

Keywords: Equity; Financial Markets; International Finance; Investment Portfolio; Government Legislation; Taxation; United States

23 Aug 2006
Op-Ed

The Real Wal-Mart Effect

the world's largest company, primarily focused on its treatment of workers. The recent spate of books on the company is no exception. Some are overtly critical, for example Anthony Bianco's The Bully of Bentonville: How the High Cost of... View Details

Keywords: by Pankaj Ghemawat & Ken A. Mark; Retail

Research Summary

Industry Dynamics Following Competitive Shocks

Robert E. Kennedy and Pankaj Ghemawat are using industrial organization theory to study industrial development in countries that have undergone major competitive shocks. Their goal is to develop a set of hypotheses regarding how industry factors effect change in entry... View Details

2003
Working Paper

Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows

By: Ramon Casadesus-Masanell and Pankaj Ghemawat

This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by... View Details

Keywords: Business Model; Competition; Open Source Distribution; Balance and Stability; Applications and Software; Network Effects; Duopoly and Oligopoly

13 Jul 2023
News

The Network Effect

Karan Mathur (left) and Dina Model (Illustration by Gisela Goppel) Karan Mathur (left) and Dina Model (Illustration by Gisela Goppel) When Dina Model and Karan Mathur (both MBA 2015) met through mutual friends during their first year at HBS, neither was envisioning a... View Details

12 Dec 2014
Working Paper Summaries

Bottlenecks, Modules and Dynamic Architectural Capabilities

Keywords: by Carliss Y. Baldwin

April 2024 (Revised July 2024)
Case

Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight-Loss Drugs

By: Joseph L. Badaracco, Tom Quinn and John Schultz

Danish pharmaceutical company Novo Nordisk was owned by a charitable foundation, and since its founding in the 1920s had focused on producing insulin to treat diabetes. In 2017, however, it released Ozempic, a diabetes treatment with the revolutionary side effect of... View Details

Article

CDS Trading and Nonrelationship Lending Dynamics

By: Jung Koo Kang, Christopher Williams and Regina Wittenberg-Moerman

We investigate how credit default swaps (CDSs) affect lenders’ incentives to initiate new lending relationships. We predict that CDSs reduce adverse selection that nonrelationship lead arrangers face when competing for loans. Consistently, we find that a loan is... View Details

Keywords: Credit Default Swaps; CDS Market; Non-relationship Lending; Debt Contracts; Adverse Selection; Lending Monitoring; Cross-selling

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April 2020
Case

Cockpit Dynamics in Air France 447 and United 232

By: Amy C. Edmondson and Joshua Raymond

This case compares leadership and team dynamics between the cockpit crews in two renowned passenger airline crashes, twenty years apart: Air France 447 in 2009 and United 232 in 1989. The key dimensions of difference across the cases include organization and task... View Details

Keywords: Teams; Team Launch; Crisis Management; Groups and Teams; Leadership; Communication; Air Transportation Industry

January 2021
Article

The Effects of Menu Costs on Retail Performance: Evidence from Adoption of the Electronic Shelf Label Technology

By: Ioannis Stamatopoulos, Achal Bassamboo and Antonio Moreno

We use the adoption of electronic shelf labels (ESLs) by an international grocery retailer in 2015 to identify the effects of physical menu costs (i.e., labor and material costs of price adjustment) on retail performance. We find that the installation of ESLs increased... View Details

Keywords: Retail Operations; Dynamic Pricing; Revenue Management; Operations; Price; Revenue; Management; Retail Industry

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April 2017
Supplement

Global Leadership in a Dynamic and Evolving Region: Molinas @ The Coca-Cola Company (C)

By: Tsedal Neeley and Esel Çekin

Supplements the (A) case. View Details

Keywords: Functions; Structure; Centralization; Decentralization; Diversity; Country Of Origin Effects; Global Contextual Intelligence; Leading Change; Crisis Management; Organizational Structure; Experience and Expertise; Situation or Environment; Central Asia; Turkey

April 2017
Case

Global Leadership in a Dynamic and Evolving Region: Molinas @ The Coca-Cola Company (A)

By: Tsedal Neeley and Esel Çekin

Galya Frayman Molinas, President of Coca-Cola's Turkish business and a 20-year company veteran, is unexpectedly asked to take the helm of a newly expanded territory with operations across eight additional countries in Central Asia: Armenia, Azerbaijan, Georgia,... View Details

Keywords: Functions; Structure; Centralization; Decentralization; Diversity; Country Of Origin Effects; Global Contextual Intelligence; Leading Change; Crisis Management; Organizational Structure; Experience and Expertise; Situation or Environment; Central Asia; Turkey

July–August 2024
Article

Doing More with Less: Overcoming Ineffective Long-Term Targeting Using Short-Term Signals

By: Ta-Wei Huang and Eva Ascarza

Firms are increasingly interested in developing targeted interventions for customers with the best response, which requires identifying differences in customer sensitivity, typically through the conditional average treatment effect (CATE) estimation. In theory, to... View Details

Keywords: Long-run Targeting; Heterogeneous Treatment Effect; Statistical Surrogacy; Customer Churn; Field Experiments; Consumer Behavior; Customer Focus and Relationships; AI and Machine Learning; Marketing Strategy

June 2020
Background Note

Customer Management Dynamics and Cohort Analysis

By: Elie Ofek, Barak Libai and Eitan Muller

The digital revolution has allowed companies to amass considerable amounts of data on their customers. Using this information to generate actionable insights is fast becoming a critical skill that firms must master if they wish to effectively compete and win in today’s... View Details

Keywords: Cohort Analysis; Customers; Analytics and Data Science; Segmentation; Analysis; Customer Value and Value Chain

2007
Working Paper

The Dynamic Interplay of Inequality and Trust - An Experimental Study

By: Ben Greiner, Axel Ockenfels and Peter Werner

We study the interplay of inequality and trust in a dynamic game, where trust increases efficiency and thus allows higher growth of the experimental economy in the future. We find that trust is initially high in a treatment starting with equal endowments, but decreases... View Details

Keywords: Equality and Inequality; Performance Efficiency; Trust; Economics

November 2016 (Revised December 2017)
Case

Blake Sports Apparel and Switch Activewear: Bringing the Executive Team Together

By: Boris Groysberg and Katherine Connolly Baden

Cameron (Cam) Barker, founder and CEO of Blake Sports Apparel and Switch Activewear, manufacturers and distributers of sports apparel and accessories, was facing a challenge with his executive team. Their inability to work together on seemingly simple issues was a... View Details

Keywords: Team Dynamics; Team Management; Team Effectiveness; Team Performance; Executive Leadership; Groups and Teams; Leadership; Performance Effectiveness; Apparel and Accessories Industry; United Kingdom