Publications

20 Dec 2010
Research & Ideas

Panama Canal: Troubled History, Astounding Turnaround

fall of the canal's importance to the United States, the handover of View Details

Keywords: by Sarah Jane Gilbert; Transportation

December 2021
Article

Trade Policy Uncertainty and Stock Returns

By: Marcelo Bianconi, Federico Esposito and Marco Sammon

A recent literature has documented large real effects of trade policy uncertainty (TPU) on trade, employment, and investment, but there is little evidence that investors are compensated for bearing such risk. To quantify the risk premium associated with TPU, we exploit... View Details

Keywords: Trade Policy; Uncertainty; Stock Returns; Risk Premium; Tariff Rates; Portfolio Analysis; Trade; Policy; Risk and Uncertainty; Stocks; Investment Return

Web

Asia Pacific - Global

research, but a full range of MBA and Executive Education student programming. Through their ongoing work they have developed important links with governments, academic institutions, and corporations within... View Details

05 Dec 2013
Working Paper Summaries

Heterogeneous Technology Diffusion and Ricardian Trade Patterns

Keywords: by William R. Kerr

February 2016
Article

Labor Unemployment Insurance and Earnings Management

By: Yiwei Dou, Mozaffar N. Khan and Youli Zou

There is relatively little prior evidence on the potential impact of rank and file employees on financial reporting choices outside union negotiations. We contribute to the literature by providing new evidence that firms appear to manage long-run earnings upward in... View Details

Keywords: Earnings Management; Employment; Insurance; Financial Reporting

December 2021
Case

Green Monday

By: José B. Alvarez, Billy Chan and Dawn H. Lau

This case describes the entrepreneurial journey of David Yeung, from campaigning for plant-based diets to building Green Monday, a purpose-driven business and an ecosystem based in Hong Kong comprising a retail platform, an alternative meat brand (“OmniPork”), a... View Details

Keywords: Agribusiness; Plant-Based Agribusiness; Social Enterprise; Entrepreneurship; Business Startups; Business Model; Mission and Purpose; Growth and Development Strategy; Agriculture and Agribusiness Industry; Food and Beverage Industry; Retail Industry; Hong Kong; China; Asia

Educators

2025
Working Paper

Designing Consent: Choice Architecture and Consumer Welfare in Data Sharing

By: Chiara Farronato, Audrey Fradkin and Tesary Lin

We study the welfare consequences of choice architecture for online privacy using a field experiment that randomizes cookie consent banners. We study three ways in which firms or policymakers can influence choices: (1) nudging users through banner design to encourage... View Details

Keywords: Consumer Behavior; Decision Choices and Conditions; Welfare; Policy

August 1998
Case

Electronic Commerce at Air Products

By: F. Warren McFarlan and Melissa Dailey

In 1998,chief information officers (CIOs) in the highly competitive international gases and chemicals business faced the reality that electronic commerce capability was a strategic necessity. The results of annual surveys of technology officers in the chemical industry... View Details

Keywords: Management Teams; Information Technology; Globalized Markets and Industries; Infrastructure; Internet and the Web; Technology Adoption; Business Strategy; Chemical Industry; United States

Research Summary

Comparative Corporate Governance

Dyck's research identifies the important role that institutions external to the firm play in determining corporate governance abuses, financial sector development, and the success of government policies such as privatization. In recent work Dyck develops an empirical... View Details

March 2023
Article

Not from Concentrate: Collusion in Collaborative Industries

By: Jordan M. Barry, John William Hatfield, Scott Duke Kominers and Richard Lowery

The chief principle of antitrust law and theory is that reducing market concentration—having more, smaller firms instead of fewer, bigger ones—reduces anticompetitive behavior. We demonstrate that this principle is fundamentally incomplete.

In many... View Details

Web

Finance - Faculty & Research

Finance Overview Faculty Curriculum Seminars & Conferences Awards & Honors Doctoral Students October 2025 Article Measurement and Effects of Bank Exit Policies By: Daniel Green and Boris Vallée We study whether exit policies by financial... View Details

25 Feb 2025
HBS Seminar

Michel Pham, Columbia University

Article

Towards Robust and Reliable Algorithmic Recourse

By: Sohini Upadhyay, Shalmali Joshi and Himabindu Lakkaraju

As predictive models are increasingly being deployed in high-stakes decision making (e.g., loan approvals), there has been growing interest in post-hoc techniques which provide recourse to affected individuals. These techniques generate recourses under the assumption... View Details

Keywords: Machine Learning Models; Algorithmic Recourse; Decision Making; Forecasting and Prediction

2020
Working Paper

How Competition Affects Contributions to Open Source Platforms: Evidence from OpenStreetMap and Google Maps

By: Abhishek Nagaraj and Henning Piezunka

Open source platforms often face competition from commercial alternatives and yet we lack an understanding of whether and how commercial competition affects contributions to open source platforms. We study how contributions to OpenStreetMap, a widely-used open source... View Details

Keywords: Open Source Platforms; Contributions; Competitive Entry; Impact; Multi-Sided Platforms; Competition

Article

Multi-Echelon Inventory Management Under Short-Term Take-or-Pay Contracts

By: Joel Goh and Evan L. Porteus

We extend the Clark–Scarf serial multi-echelon inventory model to include procuring production inputs under short-term take-or-pay contracts at one or more stages. In each period, each such stage has the option to order/process at two different cost rates; the cheaper... View Details

Keywords: Inventory Management; Multi-echelon Inventory Theory; Karush Lemma; Clark-Scarf Model; Convex Ordering Cost; Advance Commitments; Supply Chain

October 2023
Article

Speedy Activists: Firm Response Time to Sociopolitical Events Influences Consumer Behavior

By: Jimin Nam, Maya Balakrishnan, Julian De Freitas and Alison Wood Brooks

Organizations face growing pressure from their consumers and stakeholders to take public stances on sociopolitical issues. However, many are hesitant to do so lest they make missteps, promises they cannot keep, appear inauthentic, or alienate consumers, employees, or... View Details

Keywords: Brands and Branding; Public Opinion; Social Media; Social Issues

January 2014
Article

China's 'New Regionalism': Subnational Analysis in Chinese Political Economy

By: Meg Rithmire

The study of Chinese political economy has undergone a sea change since the late 1990s; instead of debating the origins and direction of national reform, scholars have turned to examining the origins of local economic variation. This essay reviews recent work in... View Details

Keywords: China; Political Economy; Economy; Government and Politics; China

Web

Africa - Global

the development of cases and support for faculty research in the region. She also plays an important role in establishing and fostering... View Details

Third Quarter 2018
Article

Why and How Investors Use ESG Information: Evidence from a Global Survey

By: Amir Amel-Zadeh and George Serafeim

Using survey data from a sample of senior investment professionals from mainstream (i.e., not SRI funds) investment organizations, we provide insights into why and how investors use reported environmental, social, and governance (ESG) information. Relevance to... View Details

Keywords: ESG; ESG (Environmental, Social, Governance) Performance; Sustainability; Investment Management; Investment Strategy; Metrics; Standard Setting; Accounting Standards; Finance; Investment; Information; Environmental Sustainability; Governance; Performance Effectiveness; Strategy