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  • 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
Keywords: by Scott Van Voorhis; Pharmaceutical; Health
  • 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
Keywords: by Sean Silverthorne; Financial Services
  • 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
Keywords: by Michael Blanding; Financial Services
  • 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
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  • 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
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  • 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
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  • 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
Keywords: Financial Instruments; Banks and Banking
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  • 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
  • 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
  • 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
Keywords: Debt Securities; Financial Markets; Financial Crisis
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  • 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
  • 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
  • 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

By: Samuel G. Hanson, Robin Greenwood, David Scharfstein and Adi Sunderam
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
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  • 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
  • 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
Keywords: Strategy; Financial Instruments; Capital Markets; Investment
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  • Forthcoming
  • Article

The Evolution of Banking in the 21st Century: Evidence and Regulatory Implications

By: Samuel Gregory Hanson, Victoria Ivashina, Laura Nicolae, Jeremy C. Stein, Adi Sunderam and Daniel K. Tarullo
As revealed by the failures of three regional banks in the spring of 2023, bank runs are not a thing of the past. To inform the ongoing discussion of the appropriate regulatory response, we examine trends in the banking industry over the last twenty-five years. On the... View Details
Keywords: Financial Instruments; Financial Crisis; Assets; Governing Rules, Regulations, and Reforms; Financial Condition; Banking Industry
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