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September 2017 (Revised July 2023)
Case

Adaptive Platform Trials: The Clinical Trial of the Future?

By: Ariel D. Stern and Sarah Mehta

In July 2017, Dr. Brian M. Alexander, president and CEO of the AGILE Research Foundation, was preparing to launch a new type of clinical trial—an adaptive platform trial—to study potential therapies for glioblastoma (GBM), an aggressive form of brain cancer.... View Details

Keywords: Clinical Trials; Cancer; Adaptive Platform Trials; Platform Trials; Adaptive Trials; Glioblastoma; Health; Health Care and Treatment; Health Testing and Trials; Business Strategy; Innovation Strategy; Health Industry; United States

18 Sep 2012
First Look

First Look: September 18

Buildings Authors:Timothy Simcoe and Michael W. Toffel Abstract We measure the impact of municipal policies requiring governments to construct green buildings on private-sector adoption of the U.S. Green Building Council's Leadership in View Details

Keywords: Sean Silverthorne

2010
Working Paper

Agency Revisited

By: Ramon Casadesus-Masanell and Daniel F. Spulber

The article presents a comprehensive overview of the principal-agent model that emphasizes the role of trust in the agency relationship. The analysis demonstrates that the legal remedy for breach of duty can result in a full-information efficient outcome eliminating... View Details

Keywords: Ethics; Contracts; Agency Theory; Mathematical Methods; Behavior; Trust

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Article

Peer-to-Peer File Sharing and the Market for Digital Information Goods

By: Ramon Casadesus-Masanell and Andres Hervas-Drane

We study competitive interaction between two alternative models of digital content distribution over the Internet: peer-to-peer (p2p) file sharing and centralized client-server distribution. We present microfoundations for a stylized model of p2p file sharing where all... View Details

Keywords: Competition; Distribution; Internet and the Web; Information Infrastructure; Management Analysis, Tools, and Techniques; Strategy; Profit; Price; Performance Efficiency

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23 Jan 2008
First Look

First Look: January 23, 2008

Working PapersA Resource Belief-Curse: Oil and Individualism Authors:Rafael Di Tella, Juan Dubra, and Robert MacCulloch Abstract We study the correlation between a belief concerning individualism and a measure of luck in the US during the period 1983-2004. The... View Details

Keywords: Martha Lagace

May 2024 (Revised May 2024)
Case

Market by Met Council: Revolutionizing Food Pantries in the Digital Age

By: Elisabeth Paulson and Michael W. Toffel

In fall 2023, the Food Program of Met Council—America’s largest Jewish charity dedicated to fighting poverty—completed the rollout of the newest version of its digital pantry platform to twelve food pantries in the Met Council food pantry network. The digital... View Details

Keywords: Customer Focus and Relationships; Digital Transformation; Nonprofit Organizations; Service Operations; Human Needs

January 2006 (Revised March 2010)
Case

Peer-to-Peer File Sharing and the Market for Digital Information Goods

By: Ramon Casadesus-Masanell, Andres Hervas and Jordan Mitchell

We study competitive interaction between two alternative models of digital content distribution over the Internet: peer-to-peer (p2p) file sharing and centralized client-server distribution. We present microfoundations for a stylized model of p2p file sharing where all... View Details

Keywords: Price; Profit; Distribution; Competition; Internet and the Web; Information Infrastructure

14 Sep 2010
First Look

First Look: September 14, 2010

http://www.people.hbs.edu/ffoley/IPRImit.pdf Venture Capital Investment in the Clean Energy Sector Authors:Shikhar Ghosh and Ramana Nanda Publication:In America's Energy Innovation Problem Abstract We... View Details

Keywords: Sean Silverthorne

2011
Teaching Note

Xinxing Ductile Iron Pipes: Transforming the Management Control System in Time of Crisis (TN)

By: Ning Jia, F. Warren McFarlan and Xiaohui Li

Xinxing Ductile Iron Pipes Co. is a Chinese state-owned enterprise (SOE) that manufactures cast pipe products and steel products. The company had grown to become a dominant player in the ductile iron pipe industry, holding more than 40% domestic market share and nearly... View Details

Keywords: Control Systems; Cost Centers; Manufacturing; Profit Centers; China; Iron ＆ Steel; China

2011
Case

Xinxing Ductile Iron Pipes: Transforming the Management Control System in Time of Crisis

By: Ning Jia, F. Warren McFarlan and Xiaohui Li

Xinxing Ductile Iron Pipes Co. is a Chinese state-owned enterprise (SOE) that manufactures cast pipe products and steel products. The company had grown to become a dominant player in the ductile iron pipe industry, holding more than 40% domestic market share and nearly... View Details

Keywords: Control Systems; Cost Centers; Manufacturing; Profit Centers; China

08 Sep 2009
Research & Ideas

The Height Tax, and Other New Ways to Think about Taxation

less burdensome for all citizens. "While the idea of a height tax follows directly from the standard economic framework for tax analysis, most people find the idea crazy," allows HBS professor Matthew C. Weinzierl, an economist... View Details

Keywords: by Martha Lagace

November 2023 (Revised August 2024)
Background Note

Life Cycle Assessment: An Overview

By: Willy C. Shih, Michael W. Toffel and Kelsey Carter

Life cycle assessment (LCA) is a holistic approach to quantifying the environmental impacts—including resources consumed and wastes produced—associated with the entire life cycle of a product, from the production or extraction of the raw materials used in its creation,... View Details

Keywords: Life-cycle; Environmental Performance; Design; Environmental Management; Environmental Sustainability; Climate Change; Measurement and Metrics; Standards; Accounting; Environmental Accounting

Research Summary

An Unlimited Moments GMM Estimator

A short time series relative to the number of moment conditions in a GMM framework yields an inconsistent estimator. To circumvent this problem, researchers generally restrict the number of moment conditions to some fraction of the length of the time... View Details

Article

Better Accounting Transforms Health Care Delivery

By: Robert S. Kaplan and Mary L. Witkowski

The paper describes the theory and preliminary results for an action research program that explores the implications from better measurements of health care outcomes and costs. After summarizing Porter's outcome taxonomy (Porter 2010), we illustrate how to use process... View Details

Keywords: Activity Based Costing and Management; Research; Health Care and Treatment; Health Industry

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25 May 2011
HBS Case

QuikTrip’s Investment in Retail Employees Pays Off

according to market, QuikTrip uses the same store layout everywhere, along with limited product variety. "The reduced complexity that results from these decisions leads to higher employee productivity and fewer errors," says Ton. "This View Details

Keywords: by Julia Hanna; Retail

July 2021
Article

Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms

By: Zoë Cullen and Chiara Farronato

We study the growth of online peer-to-peer markets. Using data from TaskRabbit, an expanding marketplace for domestic tasks at the time of our study, we show that growth varies considerably across cities. To disentangle the potential drivers of growth, we look... View Details

Keywords: Two-sided Market; Two-sided Platforms; Peer-to-peer Markets; Platform Strategy; Sharing Economy; Platform Growth; Internet and the Web; Digital Platforms; Strategy; Market Design; Network Effects

May 1999 (Revised November 2000)
Case

AES Global Values

By: Lynn S. Paine

Members of the development team for the AES Corp.'s power plant project in India must decide what plant technology to specify in their application for techno-economic clearance from the government of India's Central Electric Authority. Their choice is between more... View Details

Keywords: Business Ventures; Corporate Social Responsibility and Impact; Environmental Sustainability; Energy Generation; Technology Adoption; Energy Industry; India; United States

2025
Working Paper

Narrative AI and the Human-AI Oversight Paradox in Evaluating Early-Stage Innovations

By: Jacqueline N. Lane, Léonard Boussioux, Charles Ayoubi, Ying Hao Chen, Camila Lin, Rebecca Spens, Pooja Wagh and Pei-Hsin Wang

Do AI-generated narrative explanations enhance human oversight or diminish it? We investigate this question through a field experiment with 228 evaluators screening 48 early-stage innovations under three conditions: human-only, black-box AI recommendations without... View Details

Keywords: Large Language Models; AI and Machine Learning; Innovation and Invention; Decision Making