Publications

February 2018
Case

Aetna and the Transformation of Health Care

By: Rebecca M. Henderson, Russell Eisenstat and Matthew Preble

Mark Bertolini, chairman and CEO of the health insurer Aetna, faces a number of questions as he seeks to transform Aetna from a classic insurance company into a business that will engage much more deeply with its members around their personal health goals. His strategy... View Details

Keywords: Health Care and Treatment; Insurance; Transformation; Behavior; Leading Change; Strategy; Insurance Industry; Health Industry; United States; Connecticut

Educators

Purchase

2022
Working Paper

Confidence, Self-Selection and Bias in the Aggregate

By: Benjamin Enke, Thomas Graeber and Ryan Oprea

The influence of behavioral biases on aggregate outcomes like prices and allocations depends in part on self-selection: whether rational people opt more strongly into aggregate interactions than biased individuals. We conduct a series of betting market, auction and... View Details

Keywords: Prejudice and Bias; Cognition and Thinking; Markets; Price

Purchase

Article

The Effect of Providing Peer Information on Retirement Savings Decisions

By: John Beshears, James J. Choi, David Laibson, Brigitte C. Madrian and Katherine L. Milkman

Using a field experiment in a 401(k) plan, we measure the effect of disseminating information about peer behavior on savings. Low-saving employees received simplified plan enrollment or contribution increase forms. A randomized subset of forms stated the fraction of... View Details

Keywords: Saving; Decision Choices and Conditions; Retirement

February 2015
Article

Corporate Investment and Stock Market Listing: A Puzzle?

By: John Asker, Joan Farre-Mensa and Alexander Ljungqvist

We investigate whether short-termism distorts the investment decisions of stock market listed firms. To do so, we compare the investment behavior of observably similar public and private firms using a new data source on private U.S. firms, assuming for identification... View Details

Keywords: Private Ownership; Public Ownership; Corporate Finance

SSRN

03 Sep 2020
News

Social-Impact Efforts That Create Real Value

2007
Working Paper

Competition in Modular Clusters

By: Carliss Y. Baldwin and C. Jason Woodard

The last twenty years have witnessed the rise of disaggregated "clusters," "networks," or "ecosystems" of firms. In these clusters the activities of R&D, product design, production, distribution, and system integration may be split up among hundreds or even thousands... View Details

Keywords: Price; Profit; Digital Platforms; Industry Clusters; Competition; Horizontal Integration; Vertical Integration

November–December 2019
Article

Making Sense of Soft Information: Interpretation Bias and Loan Quality

By: Dennis Campbell, Maria Loumioti and Regina Wittenberg Moerman

We explore whether behavioral biases impede the effective processing and interpretation of soft information in private lending. Taking advantage of the internal reporting system of a large federal credit union, we delineate three important biases likely to affect the... View Details

Keywords: Soft Information; Lending; Banking; Information; Financing and Loans; Banks and Banking; Decision Making

26 Feb 2013
First Look

First Look: Feb. 26

call in sick to retain eligibility. Second, employees with perfect pre-program attendance or high productivity suffered a 6% to 8% productivity decrease after program introduction, suggesting they were demotivated by awards for good View Details

Keywords: Sean Silverthorne

Web

Courses - Entrepreneurship

for making those decisions. We will also introduce a range of specific tools—including business model design, lean testing, and customer and channel analytics—that are particularly relevant to entrepreneurs, as well as introduce students to the fundamentals of... View Details

2015
Book

Political Standards: Corporate Interest, Ideology, and Leadership in the Shaping of Accounting Rules for the Market Economy

By: Karthik Ramanna

There are certain institutions underlying our modern market-capitalist system that are largely outside the interest and understanding of the general public—e.g., rulemaking for bank capital adequacy, actuarial standards, accounting standards, and auditing practice. In... View Details

Keywords: Business And Society; Financial Institutions; Financial Reporting; GAAP; IFRS; Lobbying; Capitalism; Sustainability; Accounting; Finance; Business and Government Relations; Leadership; Accounting Industry; Financial Services Industry; United States; China; India

Purchase

Web

Podcast - Business & Environment

Scaling Reuse with Vytal: A Circular Economy Conversation with CEO Fabian Barthel 23 APR 2025 | Climate Rising Fabian Barthel, Co-Founder of Vytal, a circular economy packaging-as-a-service startup, joins host Mike Toffel to explore the innovation, View Details

2022
Working Paper

Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking

By: John William Hatfield and Jonathan Wallen

We investigate the relationship between the interest rates offered to consumers in a deposit banking market and the contact that banks in that market have with each other in other markets. We show, in a simple theoretical model, that such overlapping relationships... View Details

Keywords: Antitrust; Deposit Banking; Market Power; Multimarket Contact; Banks and Banking; Markets; Competition

Spring 2016
Article

Risk Neglect in Equity Markets

By: Malcolm Baker

The link between measures of risk and return within the equity market has been very weak over the past 47 years: in the United States, returns on high-risk stocks have cumulatively fallen short of the returns on low-risk stocks, during a period when the equity market... View Details

Keywords: Asset Allocation; Equity Investment; Behavioral Finance; Private Equity

2021
Working Paper

Closing Costs, Refinancing, and Inefficiencies in the Mortgage Market

By: David Hao Zhang

In the US, borrowers often finance the price of mortgage origination by agreeing to higher mortgage rates for a given principal amount. I show that for standard fixed-rate, prepayable mortgages this contractual feature has two consequences. First, it leads to increased... View Details

Keywords: Mortgage Market; Refinancing; Mortgages; Consumer Behavior

2007
Working Paper

Mental Accounting and Small Windfalls: Evidence from an Online Grocer

By: Katherine L. Milkman, John Beshears, Todd Rogers and Max H. Bazerman

We study the effect of small windfalls on consumer spending decisions by examining the purchasing behavior of a sample of online grocery shoppers over the course of a year. We compare the purchases customers make when redeeming a $10-off coupon they received from their... View Details

Keywords: Spending; Consumer Behavior; Mathematical Methods; Food and Beverage Industry; Retail Industry

18 Nov 2008
First Look

First Look: November 18, 2008

Working PapersAn Exploration of the Japanese Slowdown during the 1990s Author:Diego A. Comin No abstract is available at this time. Download the paper: http://www.hbs.edu/research/pdf/09-065.pdf (When) Are Religious People Nicer? Religious Salience and the 'Sunday... View Details

Keywords: Martha Lagace

2011
Working Paper

Do Not Trash the Incentive! Monetary Incentives and Waste Sorting

By: Alessandro Bucciol, Natalia Montinari and Marco Piovesan

This paper examines whether monetary incentives are an effective tool for increasing domestic waste sorting. We exploit the exogenous variation in the pricing systems experienced during the 1999-2008 decade by the 95 municipalities in the district of Treviso (Italy).... View Details

Keywords: Household; Cost Management; Consumer Behavior; Wastes and Waste Processing; Motivation and Incentives; Public Administration Industry; Italy

2014
Working Paper

The Rise and Fall of Demand for Securitizations

By: Sergey Chernenko, Samuel G. Hanson and Adi Sunderam

Collateralized debt obligations (CDOs) and private-label mortgage-backed securities (MBS) backed by nonprime loans played a central role in the recent financial crisis. Little is known, however, about the underlying forces that drove investor demand for these... View Details

Keywords: Debt Securities; Financial Markets; Financial Crisis