Publications

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27 Sep 2018
Working Paper Summaries

Large-Scale Demand Estimation with Search Data

Keywords: by Tomomichi Amano, Andrew Rhodes, and Stephan Seiler; Retail

21 Aug 2012
News

How Microsoft and Netflix Lost their Way

08 Jan 2018
Video

Brain-Based Training for Lifelong Fitness

April 2025
Case

Breezm: Innovative 3D-Printed Eyewear (A)

By: Juan Alcácer, Brian Mao Fu and Adina Wong

In 2023, Breezm, a South Korean startup, faced a strategic decision about how to grow its innovative 3D-printed, custom-fit eyewear business. Co-founded in 2017 by Zenma Park and Wooseok Sung, Breezm combined facial scanning, AI, and in-house production to solve the... View Details

Keywords: 3D Printing; Eyeyewear; Growth; Business Startups; AI and Machine Learning; Technological Innovation; Growth and Development Strategy; Risk and Uncertainty; Expansion; South Korea

2013
Working Paper

Improving Store Liquidation

By: Nathan Craig and Ananth Raman

Store liquidation is the time-constrained divestment of retail outlets through an in-store sale of inventory. The retail industry depends extensively on store liquidation, not only as a means for investors to recover capital from failed ventures, but also to allow... View Details

Keywords: Business Exit or Shutdown; Financial Condition; Operations; Retail Industry

December 1993 (Revised June 2000)
Case

Kochman, Reidt + Haigh, Inc.

By: Richard S. Ruback and Roy Burstin

A small company faces the dilemma of how to finance growth (i.e., internally generated cash flows vs. outside financing sources). An innovative concept positions the company in promoting a niche within the kitchen-cabinet industry and in looking for an optimal way of... View Details

Keywords: Cash Flow; Business Growth and Maturation; Entrepreneurship; Corporate Finance; Growth and Development Strategy; Consumer Products Industry; Utilities Industry

March 2002 (Revised May 2003)
Case

Supply Chain Close-Up: The Video Vault

By: V.G. Narayanan and Lisa Brem

The owners of the Video Vault struggle to determine the optimal stocking levels of home videos in an industry fraught with new technology, new pricing paradigms, and stiff competitive pressure from large national chains. Teaching Purpose: To demonstrate the role of... View Details

Keywords: Supply Chain Management; Competition; Motivation and Incentives; Price; Technological Innovation; Service Delivery; Entertainment and Recreation Industry

2020
Working Paper

Do Lenders Still Discriminate? A Robust Approach for Assessing Differences in Menus

By: David Hao Zhang and Paul Willen

We use a new methodology to assess mortgage pricing discrimination by race. We make four main contributions. First, we show that existing estimates of mortgage pricing differences by race can be confounded by a "menu problem," which is the problem associated with... View Details

Keywords: Mortgages; Financing and Loans; Prejudice and Bias; Race; Measurement and Metrics; Banking Industry; United States

2011
Working Paper

When Smaller Menus Are Better: Variability in Menu-Setting Ability

Are large menus better than small menus? Recent literature argues that individuals' apparent preference for smaller menus can be explained by choosers' behavioral biases or informational limitations. These explanations imply that absent behavioral or informational... View Details

Keywords: Experience and Expertise; Decision Choices and Conditions; Investment; Investment Portfolio; Size; Quality

Mar 2021
Conference Presentation

Descent-to-Delete: Gradient-Based Methods for Machine Unlearning

By: Seth Neel, Aaron Leon Roth and Saeed Sharifi-Malvajerdi

We study the data deletion problem for convex models. By leveraging techniques from convex optimization and reservoir sampling, we give the first data deletion algorithms that are able to handle an arbitrarily long sequence of adversarial updates while promising both... View Details

Keywords: Machine Learning; Unlearning Algorithm; Mathematical Methods

2025
Working Paper

How to Choose Among Technologies with Learning Curves: Making Better Investment Decisions

By: Christian Kaps and Arielle Anderer

Learning curves, the fact that technologies improve as a function of cumulative experience or investment, are desirable-think inexpensive solar panels or higher performing semiconductors. But, for firms that need to pick one technology among several candidates, such as... View Details

Keywords: Learning Curve; Technology; Innovation; Batteries; Energy Storage; Sequential Decision Making; TELCO; Exploration; Exploitation; Problems and Challenges; Cost vs Benefits; Technology Adoption; Battery Industry

SSRN

14 Dec 2016
HBS Seminar

Alexander Frankel, University of Chicago Booth School of Business

Descent-to-Delete: Gradient-Based Methods for Machine Unlearning

We study the data deletion problem for convex models. By leveraging techniques from convex optimization and reservoir sampling, we give the first data deletion algorithms that are able to handle an arbitrarily long sequence of adversarial updates while promising... View Details

10 Nov 2010
News

Harvard Business School Introduces Program To Help Leaders Drive More Profitable Growth

10 Oct 2017
News

Rules of Business: The Health Care Profit Cycle

24 Sep 2016
News

Popular acceptance of inequality due to brute luck and support for classical benefit-based taxation

09 Apr 2014
HBS Seminar

Hanna Halaburda, Bank of Canada

October 2022
Case

Weapons of Self Destruction: Zak Pym Williams and the Cultivation of Mental Wellness

By: Lauren Cohen, Ronnie Stangler and Grace Headinger

Zak Pym Williams, mental health advocate, grappled with the question of how to create a proactive mental health family environment for his children. Having witnessed how mental health challenges such as addiction and depression had impacted the past four generations of... View Details

Keywords: Family; U.S.; Mental Health; Family Business; Entertainment; Values and Beliefs; Ethics; Leading Change; Family and Family Relationships; Well-being; Social Issues; Entertainment and Recreation Industry; United States; California

November 2007
Background Note

Asset Allocation I

By: Joshua D. Coval, Erik Stafford, Rodrigo Osmo, John Jernigan, Zack Page and Paulo Passoni

The goal of these simulations is to understand the mathematics of mean-variance optimization and the equilibrium pricing of risk if all investors use this rule with common information sets. Simulation A focuses on five to 10 years of monthly sector returns that are... View Details

Keywords: Asset Pricing; Capital; Investment Return; Risk Management; Mathematical Methods