2026 James J. Choi: Economics and Finance Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Economics and Finance	55	1052	932	654	564	174	15145

Overview

James J. Choi is affiliated with Yale University in the United States and has a research focus centered on engineering and medicine, with significant contributions to biomedical engineering and related subfields.

Their work encompasses several specialized subfields including:

Biomedical Engineering
Radiology, Nuclear Medicine and Imaging
Materials Chemistry
Surgery
Neurology

Choi's research topics are primarily concentrated on ultrasound and its medical applications, such as hyperthermia, imaging, cavitation phenomena, and elastography. Additional research areas include coronary interventions and diagnostics, advanced MRI techniques, and studies involving lanthanide and transition metal complexes.

The main topics of work include:

Ultrasound and Hyperthermia Applications
Photoacoustic and Ultrasonic Imaging
Ultrasound and Cavitation Phenomena
Ultrasound Imaging and Elastography
Coronary Interventions and Diagnostics
Advanced MRI Techniques and Applications
Lanthanide and Transition Metal Complexes

Frequent publication venues for Choi's work reflect a focus on acoustics, ultrasonics, and medical imaging:

IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
The Journal of the Acoustical Society of America
Neuro-Oncology
Journal of the American College of Cardiology
The American Journal of Cardiology

Examples of recent published papers include:

"Liposome delivery to the brain with rapid short-pulses of focused ultrasound and microbubbles," 2021, Journal of Controlled Release
"A PZT-PVDF Stacked Transducer for Short-Pulse Ultrasound Therapy and Monitoring," 2021, IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
"Elastic Deformation of Soft Tissue-Mimicking Materials Using a Single Microbubble and Acoustic Radiation Force," 2020, Ultrasound in Medicine & Biology
"Neuron labeling with rhodamine-conjugated Gd-based MRI contrast agents delivered to the brain via focused ultrasound," 2020, Theranostics
"EPA 2020 Abstracts, Part 2," 2020, European Psychiatry

Choi collaborates frequently with several co-authors, including:

Sophie V. Morse
Zheng Jiang
Krit Sujarittam
Spyridon Kostantinis
Judit Karácsonyi

Best Publications

Optimal Defaults and Active Decisions

Gabriel D. Carroll;James J. Choi;David Laibson;Brigitte C. Madrian

1168
Citations
For Better or for Worse: Default Effects and 401(k) Savings Behavior

James J Choi;David Laibson;Brigitte C Madrian;Andrew Metrick

984
Citations
Defined Contribution Pensions: Plan Rules, Participant Choices, and the Path of Least Resistance

James J. Choi;David Laibson;Brigitte C. Madrian;Andrew Metrick

954
Citations
Social Identity and Preferences

Daniel J. Benjamin;James J. Choi;A. Joshua Strickland

844
Citations
The Importance of Default Options for Retirement Savings Outcomes: Evidence from the United States

John Beshears;James J. Choi;David Laibson;Brigitte C. Madrian

844
Citations
The Importance of Default Options for Retirement Savings Outcomes: Evidence from the United States

John Leonard Beshears;James Choi;David I. Laibson;Brigitte Madrian

784
Citations
Why Does the Law of One Price Fail? An Experiment on Index Mutual Funds

James J. Choi;David Laibson;Brigitte C. Madrian

675
Citations
Using Implementation Intentions Prompts to Enhance Influenza Vaccination Rates

Katherine L. Milkman;John Beshears;James J. Choi;David Laibson

655
Citations
The Effect of Providing Peer Information on Retirement Savings Decisions

John Leonard Beshears;James J. Choi;David I. Laibson;Brigitte Madrian

632
Citations
RELIGIOUS IDENTITY AND ECONOMIC BEHAVIOR.

Daniel J Benjamin;James J Choi;Geoffrey W Fisher

570
Citations
Defined Contribution Pensions: Plan Rules, Participant Decisions, and the Path of Least Resistance

James J. Choi;David Laibson;Brigitte C. Madrian;Andrew Metrick

505
Citations
Optimal Defaults and Active Decisions

Gabriel D. Carroll;James J. Choi;David I. Laibson;Brigitte Madrian

478
Citations
How Are Preferences Revealed

John Leonard Beshears;James J. Choi;David I. Laibson;Brigitte Madrian

439
Citations
How are preferences revealed

John Leonard Beshears;James J. Choi;David I. Laibson;Brigitte Madrian

404
Citations
Reinforcement Learning and Savings Behavior

Andrew Metrick;David I. Laibson;James J. Choi;Brigitte Madrian

399
Citations
Plan Design and 401(k) Savings Outcomes

James J Choi;David Laibson;Brigitte C Madrian

379
Citations
$100 Bills on the Sidewalk: Suboptimal Investment in 401(k) Plans

James J. Choi;David Laibson;Brigitte C. Madrian

369
Citations
Saving for Retirement on the Path of Least Resistance

James Choi;David Laibson;Brigitte Madrian;Andrew Metrick

366
Citations
Why Does the Law of One Price Fail? An Experiment on Index Mutual Funds

James J Choi;David Laibson;Brigitte C Madrian

366
Citations
Reinforcement Learning and Savings Behavior

James J. Choi;David Laibson;Brigitte C. Madrian;Andrew Metrick

353
Citations
Consumers' Misunderstanding of Health Insurance.

George Loewenstein;Joelle Y. Friedman;Barbara McGill;Sarah Ahmad

348
Citations
Social Identity and Preferences

Daniel Benjamin;James Choi;A. Strickland

334
Citations
Optimal Defaults

Unknown

324
Citations
Simplification and Saving

John Leonard Beshears;James J. Choi;David I. Laibson;Brigitte C. Madrian

321
Citations
A megastudy of text-based nudges encouraging patients to get vaccinated at an upcoming doctor's appointment

Katherine L. Milkman;Mitesh S. Patel;Linnea Gandhi;Heather N. Graci

300
Citations
For Better or for Worse

Unknown

279
Citations
How Does Simplified Disclosure Affect Individuals' Mutual Fund Choices?

John Beshears;James Choi;David Laibson;Brigitte C. Madrian

269
Citations
DEFINED CONTRIBUTION PENSIONS: PLAN RULES, PARTICIPANT CHOICES, AND THE PATH OF LEAST RESISTANCE

Unknown

176
Citations
What Matters to Individual Investors? Evidence from the Horse's Mouth

James J. Choi;Adriana Z. Robertson

170
Citations

Frequent Co-Authors

David Laibson Harvard University

Brigitte C. Madrian Brigham Young University

Andrew Metrick Yale University

Daniel J. Benjamin University of California, Los Angeles

Dean Karlan Northwestern University

Kevin G. Volpp University of Pennsylvania

Howard Holtzer University of Pennsylvania

George Loewenstein Carnegie Mellon University

Gretchen B. Chapman Carnegie Mellon University

Craig R. Fox University of California, Los Angeles

External Links

Personal website of James J. Choi Google Scholar page

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