Economic Models - Publications - Faculty & Research - Harvard Business School

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December 2011
Article

CEO and Board Chair Roles: To Split or Not to Split?

By: Aiyesha Dey, Ellen Engel and Xiaohui Liu

We examine the performance and compensation implications of firms' decisions to combine the roles of CEO and board chairman (duality). We document that firms that split the CEO and chairman positions due to investor pressure have significantly lower announcement... View Details

Keywords: CEO Duality; Board Chairman; Firm Performance; Pay-performance Sensitivity; Corporate Governance; Governing and Advisory Boards; Leadership; Performance Efficiency

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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

2010
Article

Hospital Performance, the Local Economy, and the Local Workforce: Findings from a U.S. National Longitudinal Study

Background: Pay-for-performance is an increasingly popular approach to improving health care quality, and the US government will soon implement pay-for-performance in hospitals nationwide. Yet hospital capacity to perform (and improve performance) likely depends on... View Details

Keywords: Health Care and Treatment; Performance; Health Industry; United States

2025
Working Paper

Sovereign Default and the Decline in Interest Rates

By: Max Miller, James D. Paron and Jessica Wachter

Sovereign debt yields have declined dramatically over the last half-century. Standard explanations, including aging populations and increases in asset demand from abroad, encounter difficulties when confronted with the full range of evidence. We propose an explanation... View Details

Keywords: Inflation and Deflation; Interest Rates; Debt Securities

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August 2015
Article

Poultry in Motion: A Study of International Trade Finance Practices

By: Pol Antràs and C. Fritz Foley

This paper analyzes the financing terms that support international trade and sheds light on how these terms shape the impact of economic shocks on trade. Analysis of transaction-level data from a U.S.-based exporter of frozen and refrigerated food products, primarily... View Details

Keywords: Risk and Uncertainty; International Finance; Financing and Loans; Trade

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Summer 2012
Article

Epistemic Contests and the Legitimacy of the World Trade Organization: The Brazil–USA Cotton Dispute and the Incremental Balancing of Interests

By: Arthur A. Daemmrich

The World Trade Organization (WTO) features prominently in studies of international institutions, often cast either as a tool of rich-world domination over the poorer South or as a neutral mediator facilitating a tariff-free world of economic prosperity. This article... View Details

Keywords: Organizations; Trade; Conflict and Resolution; Consumer Products Industry; Brazil; United States

2023
Working Paper

The Politics of Philanthropy in China

By: Geoffrey Jones and Yuhai Wu

This working paper looks historically at business philanthropy in China. In the West, the literature has distinguished between entrepreneurial and customary philanthropy, while the phenomenon of spiritual philanthropy has been identified in many emerging markets. This... View Details

Keywords: China; Philanthropy; Ethics; Philanthropy and Charitable Giving; Moral Sensibility; Corporate Social Responsibility and Impact; Economic Systems; Economic Sectors; China

October 2019
Case

Agility Africa

By: Juan Alcacer, Caroline M. Elkins and Esel Çekin

This case illustrates the challenge and opportunities that firms face when developing and executing new business models in high-risk, low-infrastructure, low-trust countries. It features a global logistics group, Agility, that aimed to become the leader in supplying... View Details

Keywords: Strategy; Business Model; Innovation and Invention; Expansion; Emerging Markets; Decision Choices and Conditions; Real Estate Industry; Distribution Industry; Africa

December 2010
Article

An Exploration of Technology Diffusion

By: Diego Comin and Bart Hobijn

We develop a model that, at the aggregate level, is similar to the one sector neoclassical growth model, while, at the disaggregate level, has implications for the path of observable measures of technology adoption. We estimate our model using data on the diffusion of... View Details

Keywords: Business Model; Income; Technology Adoption; Macroeconomics; Innovation and Invention

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June 2021
Article

From Predictions to Prescriptions: A Data-driven Response to COVID-19

By: Dimitris Bertsimas, Léonard Boussioux, Ryan Cory-Wright, Arthur Delarue, Vassilis Digalakis Jr, Alexander Jacquillat, Driss Lahlou Kitane, Galit Lukin, Michael Lingzhi Li, Luca Mingardi, Omid Nohadani, Agni Orfanoudaki, Theodore Papalexopoulos, Ivan Paskov, Jean Pauphilet, Omar Skali Lami, Bartolomeo Stellato, Hamza Tazi Bouardi, Kimberly Villalobos Carballo, Holly Wiberg and Cynthia Zeng

The COVID-19 pandemic has created unprecedented challenges worldwide. Strained healthcare providers make difficult decisions on patient triage, treatment and care management on a daily basis. Policy makers have imposed social distancing measures to slow the disease, at... View Details

Keywords: COVID-19; Health Pandemics; AI and Machine Learning; Forecasting and Prediction; Analytics and Data Science

2025
Working Paper

Is Love Blind? AI-Powered Trading with Emotional Dividends

By: De-Rong Kong and Daniel Rabetti

We leverage the non-fungible tokens (NFTs) setting to assess the valuation of emotional dividends (LOVE), a long-standing empirical challenge in private-value markets such as art, antiques, and collectibles. Having created and validated our proxy, we use deep learning... View Details

Keywords: NFTs; Non-fungible Tokens; AI and Machine Learning; Valuation; Financial Markets

July 2019
Case

Christmas Inc. (A)

By: Susanna Gallani, Gregory Sabin, Lexor Adams and Nicholas Haberling

Santa Claus is facing increasing pressures to contain costs. The economic model that has worked for centuries is starting to show some cracks, to the point that he is considering outsourcing part of its toy production. Evaluating the bids his team collected from... View Details

Keywords: Costing; Production; Cost; Analysis; Decision Making; Strategy

September 2010
Article

Do Inventory and Gross Margin Data Improve Sales Forecasts for U.S. Public Retailers?

By: Saravanan Kesavan, Vishal Gaur and Ananth Raman

Firm-level sales forecasts for retailers can be improved if we incorporate cost of goods sold, inventory, and gross margin (defined here as the ratio of sales to cost of goods sold) as three endogenous variables. We construct a simultaneous equations model, estimated... View Details

Keywords: Sales; Forecasting and Prediction; Distribution; Goods and Commodities; Cost; Public Sector; Profit; Mathematical Methods; Analytics and Data Science; Retail Industry; United States

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10 Nov 2020
Sharpening Your Skills

Research News and Tips: Innovating Across Time Zones

informal deadlines are associated with significantly more adverse effects, including more hospitalizations, life-threatening incidents, and deaths—particularly, drugs most rushed through the approval process." What's going on here? The patterns are "consistent with a... View Details

Keywords: by Sean Silverthorne

September 2025
Article

Sticky Capital Controls

By: Miguel Acosta-Henao, Laura Alfaro and Andrés Fernández

There is much ongoing debate on the merits of capital controls as effective policy instruments. The differing perspectives are due in part to a lack of empirical studies that look at the intensive margin of controls, which in turn has prevented a quantitative... View Details

Keywords: Capital Controls; Macroprudential Policies; Stickiness; Intensive; (S, S) Costs; Capital; Management; Macroeconomics; Governance Controls; Mathematical Methods

Research Summary

Overview

By: Shunyuan Zhang

Professor Zhang uses machine learning to address marketing problems that have arisen within the nascent sharing economy. She conducts rigorous analyses of structured and unstructured data generated by new sharing economy platforms to address important issues emerging... View Details

May 2020
Teaching Note

Danone: Changing the Food System

By: David E. Bell, Federica Gabrieli, Daniela Beyersdorfer, Amy Klopfenstein and Aldo Sesia

Teaching Note for HBS No. 520-053.
This is a teaching note for the case “Danone: Changing the Food System?” The case examines the efforts of one of the world’s largest food and beverage companies to resolve the social, environmental, and economic issues within... View Details

Keywords: Food; Goods and Commodities; Agribusiness; Animal-Based Agribusiness; Plant-Based Agribusiness; Strategy; Corporate Strategy; Environmental Management; Environmental Sustainability; Climate Change; Agriculture and Agribusiness Industry; Food and Beverage Industry; Europe; France; Paris

March 2018
Supplement

Chaudhary Group: Rebuilding Nepal (B)

By: Christopher J. Malloy, Lauren H. Cohen and Inakshi Sobti

Supplements the (A) case. Having successfully spearheaded relief work in the aftermath of the Nepal earthquake, the Chaudhary Foundation envisions creating a more comprehensive and sustainable development model. They are keen to build a model village that integrates... View Details

21 Feb 2013
Working Paper Summaries

Developing the Guts of a GUT (Grand Unified Theory): Elite Commitment and Inclusive Growth

Keywords: by Lant Pritchett & Eric D. Werker

November 1999 (Revised March 2003)
Case

Webvan: Groceries on the Internet

By: John A. Deighton and Kayla Bakshi

What are the prospects for grocery shopping on the Web? This case invites a comparison of seven business models, with particular emphasis on Webvan. Why does the investment community value Webvan at $7.8 billion after less than six months of operating experience, and... View Details

Keywords: Business Model; Experience and Expertise; Investment; Information; Marketing; Distribution Channels; Service Delivery; Cognition and Thinking; Internet and the Web; Retail Industry; Service Industry

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