Publications

January 2020
Article

Rethinking Measurement of Pay Disparity and Its Relation to Firm Performance

By: Ethan Rouen

I develop measures of firm-level pay disparity and examine their relation to firm performance. Using comprehensive compensation data for a large sample of firms, I find no statistically significant relation between the ratio of CEO-to-mean employee compensation and... View Details

Keywords: Pay Disparity; Pay Ratio; CEO Pay Ratio; Income Inequality; Executive Compensation; Employees; Wages; Equality and Inequality; Business Ventures; Performance

June 2005
Article

This Old Stereotype: The Stubbornness and Pervasiveness of the Elderly Stereotype

By: A.J.C. Cuddy, M. I. Norton and S. T. Fiske

Americans stereotype elderly people as warm and incompetent, following from perceptions of them as noncompetitive and low status, respectively. This article extends existing research regarding stereotyping of older people in two ways. First, we discuss whether the... View Details

Keywords: Stereotyping; Prejudice and Bias; Age; Attitudes

24 Feb 2014
Working Paper Summaries

Integrated Reporting and Investor Clientele

Keywords: by George Serafeim; Accounting

August 2015
Article

Hospital Board and Management Practices Are Strongly Related to Hospital Performance on Clinical Quality Metrics

By: Thomas C Tsai, Ashish K. Jha, Atul A. Gawande, Robert S. Huckman, Nicholas Bloom and Raffaella Sadun

National policies to improve health care quality have largely focused on clinical provider outcomes and, more recently, payment reform. Yet the association between hospital leadership and quality, although crucial to driving quality improvement, has not been explored... View Details

Keywords: Hospitals; Quality; Governing and Advisory Boards; Management Practices and Processes; Service Delivery; Health Care and Treatment; Health Industry

2013
Working Paper

Visualizing and Measuring Enterprise Architecture: An Exploratory BioPharma Case

By: Robert Lagerstrom, Carliss Baldwin, Alan MacCormack and David Dreyfus

We test a method that was designed and used previously to reveal the hidden internal architectural structure of software systems. The focus of this paper is to test if it can also uncover new facts about the components and their relationships in an enterprise... View Details

Keywords: Complexity; Applications and Software; Product Design; Pharmaceutical Industry

2010
Book

The Comingled Code: Open Source and Economic Development

By: Josh Lerner and Mark Schankerman

Discussions of the economic impact of open source software often generate more heat than light. Advocates passionately assert the benefits of open source, while critics decry its effects. Missing from the debate is rigorous economic analysis and systematic... View Details

Keywords: Development Economics; Economic Growth; Policy; Government and Politics; Open Source Distribution; Software

Purchase

October 2018
Supplement

JetBlue: Relevant Sustainability Leadership (B)

By: George Serafeim and David Freiberg

The case outlines JetBlue's decision to disclose according to the Sustainability Accounting Standards Board (SASB) standards and the ESG metrics they began reporting. Data on resulting changes in institutional ownership are also provided. View Details

Keywords: Sustainability; Metrics; Leadership And Change Management; Airlines; Innovation; Purpose; ESG; ESG (Environmental, Social, Governance) Performance; Sustainability Reporting; Change Management; Leadership; Mission and Purpose; Financial Reporting

Purchase

11 Sep 2012
Working Paper Summaries

Spatial Organization of Firms: Internal and External Agglomeration Economies and Location Choices Through the Value Chain

Keywords: by Juan Alcácer & Mercedes Delgado

2018
Working Paper

Shipping Fees and Product Assortment in Online Retail

By: Chaoqun Chen and Donald Ngwe

Shipping fees are an important aspect of online retail for both consumers and sellers. A common fee structure is contingent free shipping, in which consumers are granted free shipping for basket sizes above a minimum value and are charged a flat fee for orders below... View Details

Keywords: Shpping Fee; E-commerce; Multi-category Demand; Search Costs; Shipping Membership; Spending; Consumer Behavior; Retail Industry

19 Oct 2012
News

Past and Present

Sullivan: Fulfilling an age-old human curiosity. Photo courtesy Ancestry.com For Tim Sullivan (MBA 1991), the case method was the perfect way to learn. Sullivan, who is president and CEO of Ancestry.com—the world’s largest online... View Details

Keywords: genealogy; Data Processing, Hosting, and Related Services; Data Processing, Hosting, and Related Services

January 2, 2020
Article

Changes in Quality of Care After Hospital Mergers and Acquisitions

By: Nancy Dean Beaulieu, Leemore S. Dafny, B. E. Landon, Jesse Dalton, Ifedayo Kuye and J. Michael McWilliams

Background: The hospital industry has consolidated substantially during the past two decades and at an accelerated pace since 2010. Multiple studies have shown that hospital mergers have led to higher prices for commercially insured patients, but research about effects... View Details

Keywords: Hospitals; Mergers and Acquisitions; Health Care and Treatment; Quality

Register to Read

This HBS working paper focuses on the relationship between business strategy, organization structure, and diagnostic control systems. The project analyzes data from 75 field studies to illustrate how managers adjust span of accountability and span of control to... View Details

May 2011
Article

Nonsimultaneous Chains and Dominos in Kidney Paired Donation—Revisited

By: Itai Ashlagi, Duncan S. Gilchrist, Alvin E. Roth and Michael A. Rees

Since 2008 kidney exchange in America has grown in part from the incorporation of non-directed donors in transplant chains rather than simple exchanges. It is controversial whether these chains should be performed simultaneously ("domino paired donation," DPD) or... View Details

Keywords: ABO Incompatibility; Allosensitization; Paired Kidney Exchange; Regional Sharing; Simulation Models; Transplantation Policy; Health Care and Treatment; Supply Chain; Risk and Uncertainty; Logistics; United States

Abstract

Using detailed data on recipients of bachelor's degrees from MIT between 2006 and 2012, I examine the selection of students into finance or science and engineering (S&E). I find that academic achievement in college is negatively correlated with... View Details

29 Jun 2020
News

COVID Lockdown: How India's Food Supply Chain First Tightened and then Recovered

What about the race between education and technology in the Global South? Comparing skill premiums in colonial Africa and Asia

Historical research on the race between education and technology has focused on the West but barely touched upon ‘the rest’. A new occupational wage database for 50 African and... View Details

Research Summary

Career Histories and the Biotechnology Industry

Professor Higgins' other major project focuses on the consequences of individuals' career experiences for firms and industries. This second research stream centers on the careers of executives in the biotechnology industry.

Professor Higgins has written... View Details

20 Mar 2017
Working Paper Summaries

Bubbles for Fama

Keywords: by Robin Greenwood, Andrei Shleifer, and Yang You

2023
Article

M4: A Unified XAI Benchmark for Faithfulness Evaluation of Feature Attribution Methods across Metrics, Modalities, and Models

By: Himabindu Lakkaraju, Xuhong Li, Mengnan Du, Jiamin Chen, Yekun Chai and Haoyi Xiong

While Explainable Artificial Intelligence (XAI) techniques have been widely studied to explain predictions made by deep neural networks, the way to evaluate the faithfulness of explanation results remains challenging, due to the heterogeneity of explanations for... View Details

Keywords: AI and Machine Learning