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- Faculty Publications (36)
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- All HBS Web (100)
- Faculty Publications (36)
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- 24 Feb 2011
- Research & Ideas
What’s Government’s Role in Regulating Home Purchase Financing?
The Economics of Housing Finance Reform: Privatizing, Regulating and Backstopping Mortgage Markets. In a presentation delivered recently at the Brookings Institution, Scharfstein and doctoral candidate View Details
- 12 Dec 2022
- Research & Ideas
Buy-In from Black Patients Suffers When Drug Trials Don’t Include Them
model for how doctors and their patients decide whether to adopt new medical technology. A key insight of that model Schwartzstein developed is “similarity-based extrapolation”—the notion that people take... View Details
- 30 Jan 2017
- Research & Ideas
Vanguard, Trian And The Problem With 'Passive' Index Funds
of individual investors are able to wield great influence on management teams of companies in their investment portfolios. By contrast, index funds almost run on autopilot—with no active investor analyzing companies, rewarding those that... View Details
- 2019
- Chapter
Behavioral Economics and Health-Care Markets
By: Amitabh Chandra, Benjamin Handel and Joshua Schwartzstein
This chapter summarizes research in behavioral health economics, focusing on insurance markets and product markets in health care. We argue that the prevalence of choice difficulties and biases leading to mistakes in these markets establish a special place for them in... View Details
Keywords: Behavioral Economics; Consumer Behavior; Economics; Health Care and Treatment; Insurance; Markets
Chandra, Amitabh, Benjamin Handel, and Joshua Schwartzstein. "Behavioral Economics and Health-Care Markets." Chap. 6 in Handbook of Behavioral Economics: Foundations and Applications 2, edited by B. Douglas Bernheim, Stefano DellaVigna, and David Laibson, 459–502. Amsterdam: Elsevier/North-Holland, 2019.
- February 2024
- Article
Representation and Extrapolation: Evidence from Clinical Trials
By: Marcella Alsan, Maya Durvasula, Harsh Gupta, Joshua Schwartzstein and Heidi L. Williams
This article examines the consequences and causes of low enrollment of Black patients in clinical
trials. We develop a simple model of similarity-based extrapolation that predicts that evidence is
more relevant for decision-making by physicians and patients when it... View Details
Keywords: Representation; Racial Disparity; Health Testing and Trials; Race; Equality and Inequality; Innovation and Invention; Pharmaceutical Industry
Alsan, Marcella, Maya Durvasula, Harsh Gupta, Joshua Schwartzstein, and Heidi L. Williams. "Representation and Extrapolation: Evidence from Clinical Trials." Quarterly Journal of Economics 139, no. 1 (February 2024): 575–635.
- April 2015
- Article
Money Creation and the Shadow Banking System
By: Adi Sunderam
Many explanations for the rapid growth of the shadow banking system in the mid-2000s focus on money demand. This paper asks whether the short-term liabilities of the shadow banking system behave like money. We first present a simple model where households demand money... View Details
Sunderam, Adi. "Money Creation and the Shadow Banking System." Review of Financial Studies 28, no. 4 (April 2015): 939–977.
- 06 Nov 2018
- First Look
New Research and Ideas, November 6, 2018
and Adi Sunderam Abstract—We develop three novel measures of how much of the price impact of their trading different mutual funds internalize. We show that mutual funds that... View Details
Keywords: Dina Gerdeman
- 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
Chernenko, Sergey, Samuel G. Hanson, and Adi Sunderam. "The Rise and Fall of Demand for Securitizations." NBER Working Paper Series, No. 20777, December 2014.
- August 2020
- Article
Financial Market Risk Perceptions and the Macroeconomy
By: Carolin E. Pflueger, Emil Siriwardane and Adi Sunderam
We propose a novel measure of risk perceptions: the price of volatile stocks (PVS), defined as the book-to-market ratio of low-volatility stocks minus the book-to-market ratio of high-volatility stocks. PVS is high when perceived risk directly measured from surveys and... View Details
Keywords: Risk-centric Business Cycles; Cross-section Of Equities; Real Risk-free Rate; Real Investment; Financial Markets; Risk and Uncertainty; Perception; Investment
Pflueger, Carolin E., Emil Siriwardane, and Adi Sunderam. "Financial Market Risk Perceptions and the Macroeconomy." Quarterly Journal of Economics 135, no. 3 (August 2020).
- 19 Feb 2019
- First Look
New Research and Ideas, February 19, 2019
architecture. Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=55689 2019 Handbook of Behavioral Economics: Foundations and Applications 2 Behavioral Economics and Health-Care Markets By:... View Details
Keywords: Sean Silverthorne
- 19 Jun 2018
- First Look
New Research and Ideas, June 19, 2018
discrimination. Download working paper: https://www.hbs.edu/faculty/Pages/item.aspx?num=53686 Channeled Attention and Stable Errors By: Gagnon-Bartsch, Tristan, Matthew Rabin, and View Details
Keywords: Dina Gerdeman
- 26 Feb 2019
- First Look
New Research and Ideas, February 26, 2019
bigger, more visible issue in more firms with implications for building and sustaining a sales career. Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=55738 forthcoming Journal of Financial Economics Do Fire Sales Create... View Details
Keywords: Dina Gerdeman
- 17 Jul 2018
- First Look
New Research and Ideas, July 17, 2018
Programs By: Hanson, Samuel G., David S. Scharfstein, and Adi Sunderam Abstract—We develop a model of government portfolio choice in which a benevolent government chooses the... View Details
Keywords: Dina Gerdeman
- 12 Jun 2018
- First Look
New Research and Ideas, June 12, 2018
in how consumers learn to become expert in hedonic product categories. Download working paper: https://www.hbs.edu/faculty/Pages/item.aspx?num=54586 A Measure of Risk Appetite for the Macroeconomy By: Pflueger, Carolin E., Emil Siriwardane, View Details
Keywords: Dina Gerdeman
- 26 Jun 2018
- First Look
New Research and Ideas, June 26, 2018
markets. Download working paper: https://www.hbs.edu/faculty/Pages/item.aspx?num=54633 A Measure of Risk Appetite for the Macroeconomy By: Pflueger, Carolin E., Emil Siriwardane, and Adi View Details
Keywords: Dina Gerdeman
- 11 Dec 2018
- First Look
New Research and Ideas, December 11, 2018
Pflueger, Carolin E., Emil Siriwardane, and Adi Sunderam Abstract—We propose a new measure of the economy’s risk appetite based on the valuation of volatile stocks. Unlike... View Details
Keywords: Dina Gerdeman
- October 2018 (Revised January 2019)
- Case
The Financial Crisis: Timothy Geithner and the Stress Tests
In February and March 2009, the U.S. economy was in the midst of a terrifying financial and economic crisis. Between the beginning of 2008 and early 2009, four of the 25 largest U.S. financial institutions had failed, and nine of these 25 institutions had taken... View Details
Keywords: Bailout; Regulation; Stress Test; Financial Crisis; History; Economy; Policy; Governing Rules, Regulations, and Reforms; Decision Making; Banking Industry; Financial Services Industry; Real Estate Industry; United States
Hanson, Samuel G., Robin Greenwood, David Scharfstein, and Adi Sunderam. "The Financial Crisis: Timothy Geithner and the Stress Tests." Harvard Business School Case 219-038, October 2018. (Revised January 2019.)
- 2014
- Article
The Growth and Limits of Arbitrage: Evidence from Short Interest
By: Samuel G. Hanson and Adi Sunderam
We develop a novel methodology to infer the amount of capital allocated to quantitative equity arbitrage strategies. Using this methodology, which exploits time-variation in the cross section of short interest, we document that the amount of capital devoted to value... View Details
Hanson, Samuel G., and Adi Sunderam. "The Growth and Limits of Arbitrage: Evidence from Short Interest." Review of Financial Studies 27, no. 4 (April 2014): 1238–1286. (Winner of the RFS Rising Scholar Prize 2014. Internet Appendix Here.)
- 19 Sep 2017
- First Look
First Look at New Research and Ideas, September 19
Capital Regulation By: Greenwood, Robin, Samuel Gregory Hanson, Jeremy C. Stein, and Adi Sunderam Abstract—We propose three core principles that should inform the design of... View Details
Keywords: Sean Silverthorne
- June 2013
- Article
Are There Too Many Safe Securities? Securitization and the Incentives for Information Production
By: Samuel G. Hanson and Adi Sunderam
We present a model that helps explain several past collapses of securitization markets. Originators issue too many informationally insensitive securities in good times, blunting investor incentives to become informed. The resulting endogenous scarcity of informed... View Details
Hanson, Samuel G., and Adi Sunderam. "Are There Too Many Safe Securities? Securitization and the Incentives for Information Production." Journal of Financial Economics 108, no. 3 (June 2013): 565–584. (Internet Appendix Here.)