Publications

1979
Article

Approximating the Efficiency Gain of Tax Reforms

By: Jerry R. Green and Eytan Sheshinski

Proper analysis of tax reform requires evaluation of the welfare effects induced by a change from one tax system to another. We present two methods for estimating these changes using only local information pertaining to an initial equilibrium with distortive taxes. It... View Details

Keywords: Taxation; Governing Rules, Regulations, and Reforms; Change; Analysis

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January 2021
Article

'Mobile'izing Agricultural Advice: Technology Adoption, Diffusion and Sustainability

By: Shawn A. Cole and A. Nilesh Fernando

We examine the role of management in agricultural productivity by evaluating a mobile-phone based agricultural advice service provided to farmers in India. Demand for advice is high, and advice changes practices, increasing yields in cumin (28%) and cotton (8.6% for a... View Details

Keywords: Agricultural Extension; Informational Inefficiencies; Technology Adoption; Agribusiness; Information; Mobile Technology; India

January 2019
Article

Making Moves Matter: Experimental Evidence on Incentivizing Bureaucrats Through Performance-Based Postings

By: Adnan Q. Khan, Asim Ijaz Khwaja and Benjamin A. Olken

Bureaucracies often post staff to better or worse locations, ostensibly to provide incentives. Yet we know little about whether this works, with heterogeneity in preferences over postings impacting effectiveness. We propose a performance-ranked serial dictatorship... View Details

Keywords: Serial Dictatorship Mechanism; Employment; Geographic Location; Motivation and Incentives; Performance

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November 2017
Case

Passion and Strategy: Novozymes' Embrace of the UN Sustainable Development Goals

By: Andy Zelleke and Emilie Billaud

This case explores the sustainability efforts at Novozymes, the world's largest and oldest producer of industrial enzymes. In 2015, the Danish company became the world’s first company known to have crafted a new corporate strategy based on the United Nations... View Details

Keywords: Corporate Governance; Transformation; Environmental Sustainability; Corporate Social Responsibility and Impact; Mission and Purpose; Business and Shareholder Relations; Business and Stakeholder Relations; Business Strategy; Organizational Culture; Organizational Change and Adaptation; Biotechnology Industry; Europe; Denmark

December 2012 (Revised September 2022)
Case

BabbaCo

By: Jeffrey J. Bussgang and Gaurav Jain

Having just raised a Series B financing, the case protagonist is faced with a tough decision: should she "step on the gas" and scale the customer base, or continue focusing on fine-tuning the product and business model. The case describes the various marketing channels... View Details

Keywords: Subscription; Marketing; Scaling; Product-market Fit; Online Marketing; Customers; Decisions; Expansion; Marketing Channels; Business Startups; Growth and Development Strategy; Digital Marketing; Marketing Strategy

2011
Working Paper

The Cost of Capital for Alternative Investments

By: Jakub W. Jurek and Erik Stafford

This paper studies the cost of capital for alternative investments. We document that the risk profile of the aggregate hedge fund universe can be accurately matched by a simple index put option writing strategy that offers monthly liquidity and complete transparency... View Details

Keywords: Cost of Capital; Financial Liquidity; Investment; Investment Return; Mathematical Methods; Risk and Uncertainty

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September 2008 (Revised June 2010)
Case

Hearts On Fire - Brand Development Manager

By: Frank V. Cespedes and Benson P. Shapiro

Hearts On Fire, a successful branded diamond producer, established the position of Brand Development Manager (BDM) to build the company's presence, sales, and relationships with its retail customers. After one year, the CEO, CFO and President must evaluate the impact... View Details

Keywords: Customer Focus and Relationships; Investment Return; Brands and Branding; Marketing Strategy; Business Processes; Salesforce Management; Business Strategy

Fourth Quarter 2008
Article

Do Funds-of-Funds Deserve Their Extra Fees?

By: Andrew Ang, Matthew Rhodes-Kropf and Rui Zhao

Since the after-fee returns of funds-of-funds are, on average, lower than hedge fund returns, it is easy to conclude that funds-of-funds do not add value compared to hedge funds. However, funds-of-funds should not be evaluated relative to hedge fund returns in publicly... View Details

Keywords: Investment Funds; Investment Return; Value; Assets; Resource Allocation

23 Sep 2015
HBS Seminar

Nicola Lacetera, Associate Professor of Strategic Management, Rotman School of Management, University of Toronto

19 Dec 2023
Research & Ideas

$15 Billion in Five Years: What Data Tells Us About MacKenzie Scott’s Philanthropy

for now we focused on the recipients as a lens to evaluate the underlying strategy: who they are, where they are, and what causes they support. To create benchmarks, we merged tax data for 554,000 organizations that filed at least once... View Details

Keywords: by Matthew Lee, Brian Trelstad, and Ethan Tran

2016
Article

Penalized Fast Subset Scanning

By: Skyler Speakman, Sriram Somanchi, Edward McFowland III and Daniel B. Neill

We present the penalized fast subset scan (PFSS), a new and general framework for scalable and accurate pattern detection. PFSS enables exact and efficient identification of the most anomalous subsets of the data, as measured by a likelihood ratio scan statistic.... View Details

Keywords: Disease Surveillance; Likelihood Ratio Statistic; Pattern Detection; Scan Statistic; Mathematical Methods

October 2017 (Revised April 2018)
Case

Improving Worker Safety in the Era of Machine Learning (A)

By: Michael W. Toffel, Dan Levy, Jose Ramon Morales Arilla and Matthew S. Johnson

Managers make predictions all the time: How fast will my markets grow? How much inventory do I need? How intensively should I monitor my suppliers? Which potential customers will be most responsive to a particular marketing campaign? Which job candidates should I... View Details

Keywords: Machine Learning; Policy Implementation; Empirical Research; Inspection; Occupational Safety; Occupational Health; Regulation; Analysis; Forecasting and Prediction; Policy; Operations; Supply Chain Management; Safety; Manufacturing Industry; Construction Industry; United States

Jacob Cook is a Lecturer in the Marketing Unit at Harvard Business School, where he teaches the EC course Digital Marketing & AI Workshop. His work focuses on how companies design and scale customer acquisition and retention strategies using digital marketing,... View Details

April 1991 (Revised December 1997)
Case

Southland Corp. (A)

By: Richard S. Ruback

Examines the Thompson's $4.9 billion leveraged buyout of the Southland Corp. in 1987. As the original founders of Southland, the Thompsons were concerned about losing control over the company upon learning of the Belzberg family's acquiring interest. The teaching... View Details

Keywords: Leveraged Buyouts; Governance Controls; Corporate Governance; Bids and Bidding; Valuation; Forecasting and Prediction; Management Analysis, Tools, and Techniques; Strategy; Cash Flow