Publications

2012
Working Paper

The Cost of Friendship

By: Paul A. Gompers, Yuhai Xuan and Vladimir Mukharlyamov

This paper explores two broad questions on collaboration between individuals. First, we investigate what personal characteristics affect people's desire to work together. Second, given the influence of these personal characteristics, we analyze whether this attraction... View Details

Keywords: Partners and Partnerships; Investment; Performance; Personal Characteristics

July–August 2013
Article

The Costs of Racial 'Color Blindness'

By: Michael I. Norton and Evan P. Apfelbaum

The article looks at research on people's attitudes and behaviors with respect to noticing and referring to a person's race. It explains the 2013 study, in which participants played a "Guess Who?" style game of asking yes-or-no questions about a group of faces... View Details

Keywords: Prejudice and Bias; Behavior; Race; Attitudes

September 2016
Article

Value Based Care and Bundled Payments: Anesthesia Care Costs for Outpatient Oncology Surgery Using Time-driven Activity-based Costing

By: Katy E. French, Alexis B. Guzman, Augustin C. Rubio, John C. Frenzel and Thomas Feeley

Background: With the movement towards bundled payments, stakeholders should know the true cost of the care they deliver. Time-driven activity-based costing (TDABC) can be used to estimate costs for each episode of care. In this analysis, TDABC is used to both... View Details

Keywords: Cost; Insurance; Health Care and Treatment; Insurance Industry; Health Industry

Purchase

25 Sep 2019
Research & Ideas

The Economic Cost of Physician Burnout

or leave their jobs due to burnout. They then correlated those numbers with the percentage of burnout experienced by doctors in different age groups and medical disciplines in order to estimate the overall effects of burnout on staffing... View Details

Keywords: by Michael Blanding; Health

Article

A Prescriptive Analytics Framework for Optimal Policy Deployment Using Heterogeneous Treatment Effects

By: Edward McFowland III, Sandeep Gangarapu, Ravi Bapna and Tianshu Sun

We define a prescriptive analytics framework that addresses the needs of a constrained decision-maker facing, ex ante, unknown costs and benefits of multiple policy levers. The framework is general in nature and can be deployed in any utility maximizing context, public... View Details

Keywords: Prescriptive Analytics; Heterogeneous Treatment Effects; Optimization; Observed Rank Utility Condition (OUR); Between-treatment Heterogeneity; Machine Learning; Decision Making; Analysis; Mathematical Methods

Purchase

16 Aug 2012
Working Paper Summaries

The Cost of Friendship

Keywords: by Paul Gompers, Vladimir Mukharlyamov & Yuhai Xuan

Article

Network Effects Aren't Enough

By: Andrei Hagiu and Simon Rothman

In many ways, online marketplaces are the perfect business model. Since they facilitate transactions between independent suppliers and customers rather than take possession of and responsibility for the products or services in question, they have inherently low cost... View Details

Keywords: Digital Platforms; Competition; Internet and the Web; Network Effects; Market Participation

Register to Read

May–June 2018
Article

Data Uncertainty in Markov Chains: Application to Cost-Effectiveness Analyses of Medical Innovations

By: Joel Goh, Mohsen Bayati, Stefanos A. Zenios, Sundeep Singh and David Moore

Cost-effectiveness studies of medical innovations often suffer from data inadequacy. When Markov chains are used as a modeling framework for such studies, this data inadequacy can manifest itself as imprecision in the elements of the transition matrix. In this paper,... View Details

Keywords: Markov Chains; Cost Effectiveness; Medical Innovations; Colorectal Cancer; Health Care and Treatment; Cost vs Benefits; Innovation and Invention; Mathematical Methods; Health Industry

Article

Comparative Costs of Advanced Proton and Photon Radiation Therapies: Lessons from Time-driven Activity-based Costing in Head and Neck Cancer

By: Nikhil G. Thaker, Steven J. Frank and Thomas W. Feeley

Time-driven activity-based costing (TDABC) is an innovative costing tool in healthcare that can be used to directly compare the true cost of competing technologies over the full care cycle. Rather than only comparing therapeutic effectiveness over a limited number of... View Details

Keywords: Head And Neck Cancer; IMRT; Proton Therapy; Time-Driven ABC; Information Technology; Activity Based Costing and Management; Medical Specialties

2011
Other Unpublished Work

The Performance Effects of Regulatory Oversight

This paper explores the heterogeneity in firm performance that can arise from exogenously varying levels of oversight in regulated industries. We use data on the performance of U.S. commercial banks to show that banks located physically closer to their supervisors'... View Details

Keywords: Performance; Corporate Governance

12 Aug 2009
Working Paper Summaries

Culture Clash: The Costs and Benefits of Homogeneity

Keywords: by Eric J. Van den Steen

2021
Working Paper

The Health Costs of Cost-Sharing

By: Amitabh Chandra, Evan Flack and Ziad Obermeyer

We use the design of Medicare’s prescription drug benefit program to demonstrate three facts about the health consequences of cost-sharing. First, we show that an as-if-random increase of 33.6% in out-of-pocket price (11.0 percentage points (p.p.) change in... View Details

Keywords: Cost-sharing; Impact; Health Care and Treatment; Insurance; Health; Consumer Behavior

2014
Working Paper

The Decoupling Effect of Digital Disruptors

By: Thales S. Teixeira and Peter Jamieson

While the Internet's first wave of disruption was marked by the unbundling of digital content, the second wave, decoupling, promises to generate more casualties in an even broader array of industries. Digital start-ups are disrupting traditional businesses by inserting... View Details

Keywords: Disruptive Innovation; Information Technology

23 Aug 2006
Op-Ed

The Real Wal-Mart Effect

the world's largest company, primarily focused on its treatment of workers. The recent spate of books on the company is no exception. Some are overtly critical, for example Anthony Bianco's The Bully of Bentonville: How the High Cost of... View Details

Keywords: by Pankaj Ghemawat & Ken A. Mark; Retail

30 Aug 2004
Research & Ideas

Mapping Your Board’s Effectiveness

corporate strategy—create value by becoming known for better governance and greater transparency to external providers? Can they lower their cost of capital and perhaps get a valuation premium based on the reputation and performance of... View Details

Keywords: by Robert S. Kaplan

May 2009
Article

Asymmetric Information Effects on Loan Spreads

By: Victoria Ivashina

The paper estimates the cost arising from information asymmetry between the lead bank and members of the lending syndicate. In a lending syndicate, the lead bank retains only a fraction of the loan but acts as the intermediary between the borrower and the syndicate... View Details

Keywords: Cost; Banks and Banking; Financing and Loans; Interest Rates; Capital; Investment Portfolio; Credit; Diversification; Risk and Uncertainty

SSRN

2008
Working Paper

Cost of External Finance and Selection into Entrepreneurship

By: Ramana Nanda

This paper examines the extent to which the positive relationship between personal wealth and entry into entrepreneurship is due to financing constraints. I exploit a tax reform and use unique micro-data from Denmark to study how exogenous changes in the cost of... View Details

Keywords: Business Startups; Entrepreneurship; Cost; Financing and Loans; Personal Finance; Human Capital; Wealth; Denmark

10 Mar 2014
Research & Ideas

Counting Up the Effects of Sarbanes-Oxley

companies, although it was ultimately deferred for companies with market caps of less than $75 million and made permanent in the Dodd-Frank Act. Audit standards also were modified in 2007, a change that reportedly reduced costs for many... View Details

Keywords: by Julia Hanna; Accounting; Banking

2011
Working Paper

Quantity vs. Quality: Exclusion by Platforms with Network Effects

By: Andrei Hagiu

This paper provides a simple model of platforms with direct network effects, in which users value not just the quantity (i.e., number) of other users who join, but also their average quality in some dimension. A monopoly platform is more likely to exclude low-quality... View Details

Keywords: Multi-sided Platforms; Exclusion; Quality And Quantity; Cost; Governing Rules, Regulations, and Reforms; Network Effects; Market Participation; Digital Platforms; Monopoly; Quality; Motivation and Incentives; Strategy