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Article

Optimal Taxation When Children's Abilities Depend on Parents' Resources

By: Alexander Gelber and Matthew Weinzierl

Empirical research suggests that parents' economic resources affect their children's future earnings abilities. Optimal tax policy therefore treats future ability distributions as endogenous to current taxes. We model this endogeneity, calibrate the model to match... View Details

Keywords: Taxation; Family and Family Relationships; Welfare

2009
Other Unpublished Work

Choice-based Measures of Conflict in Preferences

By: Katherine Baldiga and Jerry R. Green

We propose a family of measures of difference between ordinal preference relations. The difference between two preferences is the probability that they would disagree about the optimal choice from a random available set. It is in this sense that these measures are... View Details

Keywords: Decision Choices and Conditions; Measurement and Metrics; Mathematical Methods; Conflict of Interests; Welfare

16 Jul 2020
News

Too Fast, Too Furious: Is U.S. Vaccine Development Headed in the Wrong Direction?

September 2019 (Revised May 2020)
Supplement

Keroche (F): Future Growth Plans

By: Ramon Casadesus-Masanell and Pippa Tubman Armerding

This case describes Keroche co-founder Tabitha Karanja’s 2012 decision to invest in additional production capacity. In November 2012, with a loan from Barclay’s bank, Keroche began constructing a new state-of-the-art beer brewery using German technology. The new plant,... View Details

2007
Working Paper

Retail Market Structure and Dynamics: A Three Country Comparison of Japan, the U.K. and the U.S.

By: Jonathan Haskel, Ron S. Jarmin, Kazuyuki Motohashi and Raffaella Sadun

This paper compares structure and dynamics of the Retail Trade Sectors in Japan, the U.K. and the U.S. This is done using confidential establishment and firm level data for each country. By using micro data we are able to perform much more detailed comparisons than... View Details

Keywords: Industry Structures; Market Entry and Exit; Jobs and Positions; Size; Performance Productivity; Japan; United Kingdom; United States

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November 2006
Article

Patent Citations as a Measure of Knowledge Flows: The Influence of Examiner Citations

By: Juan Alcacer and Michelle Gittelman

Analysis of patent citations is a core methodology in the study of knowledge diffusion. However, citations made by patent examiners have not been separately reported, adding unknown noise to the data. We leverage a recent change in the reporting of patent data showing... View Details

Keywords: Patents; Knowledge Sharing; Management Analysis, Tools, and Techniques; Information Technology; Prejudice and Bias; Change

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February 2001 (Revised November 2009)
Case

Amazon.com (D)

By: Jeffrey F. Rayport, Dickson Louie and William A. Sahlman

At the end of 1999, Amazon.com founder and CEO Jeff Bezos--just named Time Magazine's Man of the Year--ponders the next moves for his company. Having expanded into numerous categories in 1999, ranging from Z-shops to Auctions to E-cards as well as increasing the number... View Details

Keywords: Growth and Development Strategy; Organizational Change and Adaptation; Competitive Advantage; Expansion; Online Technology; Retail Industry

23 May 2014
News

Can You Crowdsource a Big Idea?

September 2020 (Revised November 2020)
Case

d.light

By: Michael Chu, Krishna G. Palepu and Dilyana Karadzhova Botha

Kenyan off-grid-solar pioneer d.light can power entire homes in rural Africa but must now decide how to fund the growth of its asset-heavy business model. Ned Tozun and Sam Goldman founded d.light in 2006 to transform lives through solar solutions enabling access to... View Details

Keywords: Alternative Energy; Business Model; Capital; Emerging Markets; Expansion; Financial Strategy; Renewable Energy; Strategy; Social Entrepreneurship; Energy Industry; Africa; Kenya; India

2024
Book

Deals: The Economic Structure of Business Transactions

By: Guhan Subramanian and Michael Klausner

Drawing on real-life cases from a wide range of industries, two acclaimed experts offer a sophisticated but accessible guide to business deals, designed to maximize value for your side.

Business transactions take widely varying forms—from multibillion-dollar... View Details

Keywords: Negotiation; Contracts

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April 2023 (Revised September 2023)
Case

Levels: The Remote, Asynchronous, Deep Work Management System

By: Joseph B. Fuller and George Gonzalez

Levels is a highly innovative startup in the health care space. They intend to revolutionize health by linking behavior—eating, exercise, sleeping, etc.—to changes in metabolism. They believe metabolic health can be managed through careful monitoring of changes in... View Details

Keywords: Applications and Software; Business Startups; Organizational Culture; Management Style; Technology Industry; United States

Jeffrey F Rayport is a faculty member in the Entrepreneurial Management Unit at Harvard Business School, where he teaches in the School’s MBA and Executive Education Programs and on HBS Online. His primary focus in teaching and research is growth-stage technology... View Details

21 Oct 2008
First Look

First Look: October 21, 2008

higher prices can increase use, either by targeting distribution to high-use households (a screening effect), or by stimulating use psychologically through a sunk-cost effect. We develop a methodology for separating these two effects. We... View Details

Keywords: Martha Lagace

Rajiv Lal

Rajiv Lal, is the Stanley Roth, Sr. Professor of Retailing at Harvard Business School. He is currently teaching an elective MBA course on the Business of Smart Connected Products/IOT. He has been responsible for the retailing curriculum and has served as the course... View Details

June 2011 (Revised September 2011)
Case

Exchange-Traded Funds at Vanguard (A)

By: Robert C. Pozen and Steven Vickers

Vanguard Group management, led by CEO John Brennan, was considering whether to launch exchange-traded funds (ETFs) in early 2000. ETFs, first created in the early 1990s, combined aspects of traditional mutual funds and closed-end funds. The US ETF industry had reached... View Details

Keywords: Investment Funds; Managerial Roles; Growth and Development Strategy; Experience and Expertise; Market Entry and Exit; Network Effects; Profit; Business and Shareholder Relations; Product Launch; Asset Management; Distribution Channels; Ownership; Financial Services Industry; United States

2007
Working Paper

A Taste For Obscurity: An Individual-Level Examination of 'Long Tail' Consumption

By: Anita Elberse

Because online retailers are often able to provide products in a more cost-efficient manner than bricks-and-mortar stores, online channels are characterized by a vast assortment of products. Proponents of the "long tail" principle recently argued that the demand for... View Details

Keywords: Decision Choices and Conditions; Consumer Behavior; Distribution Channels; Product; Renting or Rental; Online Technology; Motion Pictures and Video Industry; Music Industry; Retail Industry