Publications

March 2025
Article

Optimal Illiquidity

By: John Beshears, James J. Choi, Christopher Clayton, Christopher Harris, David Laibson and Brigitte C. Madrian

We study the socially optimal level of illiquidity in an economy populated by households with taste shocks and present bias with naive beliefs. The government chooses mandatory contributions to accounts, each with a different pre-retirement withdrawal penalty.... View Details

Keywords: Retirement; Financial Liquidity; Personal Finance; Saving

March 2020
Article

Which Early Withdrawal Penalty Attracts the Most Deposits to a Commitment Savings Account?

By: John Beshears, James J. Choi, Christopher Harris, David Laibson, Brigitte C. Madrian and Jung Sakong

Previous research has shown that some people voluntarily use commitment contracts that restrict their own choice sets. We study how people divide money between two accounts: a liquid account that permits unrestricted withdrawals and a commitment account that is... View Details

Keywords: Quasi-hyperbolic Discounting; Present Bias; Sophistication; Naiveté; Commitment; Flexibility; Savings; Contract Design; Defined Contribution Retirement Plan; 401 (K); IRA; Saving; Behavior; Contracts; Design; Interest Rates

February 2022
Article

Borrowing to Save? The Impact of Automatic Enrollment on Debt

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

Does automatic enrollment into a retirement plan increase financial distress due to increased borrowing outside the plan? We study a natural experiment created when the U.S. Army began automatically enrolling newly hired civilian employees into the Thrift Savings Plan.... View Details

Keywords: Retirement Savings; Automatic Enrollment; Choice Architecture; Nudge; Financial Distress; Retirement; Saving; Borrowing and Debt; Behavior

June 2016
Article

Vaccination Rates Are Associated with Functional Proximity but Not Base Proximity of Vaccination Clinics

By: John Beshears, James J. Choi, David Laibson, Brigitte C. Madrian and Gwendolyn I. Reynolds

Background: Routine annual influenza vaccinations are recommended for persons 6 months of age and older, but less than half of U.S. adults get vaccinated. Many employers offer employees free influenza vaccinations at workplace clinics, but even then take-up is... View Details

Keywords: Geographic Location; Employees; Health Care and Treatment

August 2014
Article

What Makes Annuitization More Appealing?

By: John Beshears, James J. Choi, David Laibson, Brigitte C. Madrian and Stephen P. Zeldes

We conduct and analyze two large surveys of hypothetical annuitization choices. We find that allowing individuals to annuitize a fraction of their wealth increases annuitization relative to a situation where annuitization is an "all or nothing" decision. Very few... View Details

Keywords: Annuity; Pension; Retirement Income; Framing; Annuities; Retirement

01 Aug 2017
First Look

First Look at New Research and Ideas, August 1

July 31, 2017 AIDS A Commitment Contract to Achieve Virologic Suppression in Poorly Adherent Patients with HIV/AIDS By: Alsan, Marcella, John Beshears, Wendy S. Armstrong, View Details

Keywords: Sean Silverthorne

06 Sep 2016
First Look

September 6, 2016

how other companies can begin to adopt it. Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=51074 Forthcoming Review of Financial Studies Does Aggregated Returns Disclosure Increase Portfolio Risk-Taking? By: Beshears,... View Details

Keywords: Carmen Nobel

26 Nov 2013
First Look

First Look: November 26

Beshears, John, James J. Choi, David Laibson, View Details

Keywords: Sean Silverthorne

July 31, 2017
Article

A Commitment Contract to Achieve Virologic Suppression in Poorly Adherent Patients with HIV/AIDS

By: Marcella Alsan, John Beshears, Wendy S. Armstrong, James J. Choi, Brigitte C. Madrian, Minh Ly T. Nguyen, Carlos Del Rio, David Laibson and Vincent C. Marconi

Objective: Assess whether a commitment contract informed by behavioral economics leads to persistent virologic suppression among HIV-positive patients with poor antiretroviral therapy (ART) adherence. Design: Single-center pilot randomized clinical trial and a... View Details

Keywords: Adherence; Antiretroviral Therapy; Behavioral Economics; Commitment Contract; Financial Incentives; HIV-1 Virologic Suppression; Health Disorders; Motivation and Incentives