Publications

Article

Hinged Dissections Exist

By: Timothy G. Abbott, Zachary Abel, David Charlton, Erik D. Demaine, Martin L. Demaine and Scott Duke Kominers

We prove that any finite collection of polygons of equal area has a common hinged dissection. That is, for any such collection of polygons there exists a chain of polygons hinged at vertices that can be folded in the plane continuously without self-intersection to form... View Details

Keywords: Folding; Reconfiguration; Hinge; Plygon; Refinement; Mathematical Methods

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2014
Article

Delaware's Choice

By: Guhan Subramanian

This article first documents the shift to annual elections of all directors at most U.S. corporations and argues that the alternative of "ineffective" staggered boards would have been more desirable, as a policy matter, but is now a missed opportunity. Using this... View Details

Keywords: Governing and Advisory Boards; Laws and Statutes; Policy; Delaware

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January 2009
Case

Creating The Partnership Solutions Group at Lehman Brothers

By: David A. Thomas and Stephanie Creary

Explores how two senior Wall St. executives created a successful commercial opportunity for Lehman Brothers that focused on building relationships with minority- and women-owned financial services firms. Illustrates how Patricia Miller Zollar and Nadja Fidelia aligned... View Details

Keywords: Diversity; Gender; Partners and Partnerships; Power and Influence; Value Creation; Financial Services Industry

05 Jul 2006
Working Paper Summaries

Float Manipulation and Stock Prices

Keywords: by Robin Greenwood; Financial Services

28 May 2017
Blog Post

HBS on the Road: Ghana, Nigeria, and Côte d'Ivoire

Summer means one thing for the Admissions team at Dillon House: it’s outreach season. Team members head out on the road to spread the word about the HBS MBA and meet with prospective students around the world. Last month Admissions Director Chad Losee had the View Details

November 2013 (Revised November 2014)
Case

Infection Control at Massachusetts General Hospital

By: Robert S. Huckman and Nikolaos Trichakis

The case explores the challenges facing Massachusetts General Hospital concerning the adoption of a new infection control policy, which promises to improve operational performance, patient safety, and profitability. The new policy requires coordination between... View Details

Keywords: Safety; Organizational Change and Adaptation; Integration; Health Care and Treatment; Policy; Health Industry; Boston

05 Apr 2021
News

Leadership Truths that Transcend the Pandemic

June 2003 (Revised January 2004)
Case

Argentina's Financial System Fenced In

By: Huw Pill, Claudia Onoforio and Romina Abal

Provides an opportunity to analyze the Argentine financial crisis of 2001/2002, which culminated in the abandonment of the convertibility plan introduced by Domingo Cavallo in 1991. Focusses on the role of the financial system. View Details

Keywords: Emerging Markets; Financial Crisis; Currency; Crisis Management; Property; Argentina

28 Oct 2015
News

A Dedication to Creation: India's Ad Man Ranjan Kapur

December 2010
Article

Happiness Adaptation to Income and to Status in an Individual Panel

By: Rafael Di Tella and Robert MacCulloch

We study adaptation to income and to status using individual panel data on the happiness of 7,812 people living in Germany from 1984 to 2000. Specifically, we estimate a "happiness equation" defined over several lags of income and status and compare the long-run... View Details

Keywords: Wages; Status and Position; Happiness; Income; Change; Germany

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May 2022
Article

Variance Analysis: New Insights from Health Care Applications

By: Robert S. Kaplan and Susanna Gallani

We use a health care application to illustrate how variance analysis can be used to benchmark costs across similar service delivery sites. Variances for personnel costs, typically the largest cost component in service organizations, are calculated for price, quantity,... View Details

Keywords: Variance Analysis; Benchmarking; Time-Driven Activity-Based Costing; Health Care; Activity Based Costing and Management; Health Care and Treatment; Service Delivery; Service Industry

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September–October 2024
Article

Boards Need a New Approach to Technology

By: Tarun Khanna, Mary C. Beckerle and Nabil Y. Sakkab

The boards of too many publicly traded companies are downright timid when considering matters involving science and technology. More often than not, they focus on security and digitization—a defensive posture that fails to consider the bigger opportunities emerging... View Details

Keywords: Governing and Advisory Boards; Opportunities; Technology Adoption

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January 2022 (Revised February 2022)
Case

Envision Group

By: Gunnar Trumbull, Bonnie Yining Cao and Dawn H. Lau

Based in China, Envision was one of the world’s leading Greentech companies. Chief Executive Officer Lei Zhang had set the goal of achieving carbon neutrality across the company’s global operations and supply chain by 2022 and 2028 respectively. As part of its... View Details

Keywords: Green Technology; Climate Change; Emerging Markets; Information Technology; Strategy; Management; Renewable Energy; Energy Policy; Environmental Sustainability; Manufacturing Industry; Auto Industry; Green Technology Industry; Battery Industry; China; United States; Japan; United Kingdom; France

13 Aug 2021
Blog Post

Exploring Racial Justice with the Scaling Minority Businesses Course

general? Bryan Stevenson (founder of the Equal Justice Initiative) spoke to my first year (RC) class at HBS and one of his key lessons for us was to “get proximate” to those in... View Details

August 2001
Case

Chrysalis Capital: Venture Capital in an Emerging Market

Examines the founding and early development of an Indian venture capital firm. Focuses on the opportunity in the Indian high-technology sector, how the founders have adapted the U.S. venture capital model to an emerging market context, and the organizational challenges... View Details

Keywords: Venture Capital; Emerging Markets; Technology Industry; India