World's Best Scientists 2026 revealed!
Bernie J. O'Brien

Bernie J. O'Brien

D-Index & Metrics

Economics and Finance

D-Index
57
Citations
15086
World Ranking
941
National Ranking
19

Bernie J. O'Brien publication distribution in Economics and Finance in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Economics and Finance in 2026. The highlighted bar marks where Bernie J. O'Brien sits on this spectrum.

42–46 publications: 1 scientists 47–51 publications: 12 scientists 52–56 publications: 7 scientists 57–61 publications: 23 scientists 62–66 publications: 32 scientists 67–71 publications: 36 scientists 72–76 publications: 56 scientists 77–81 publications: 57 scientists 82–86 publications: 70 scientists 87–91 publications: 86 scientists 92–96 publications: 72 scientists 97–101 publications: 106 scientists 102–106 publications: 97 scientists 107–111 publications: 96 scientists 112–116 publications: 101 scientists 117–121 publications: 103 scientists 122–126 publications: 102 scientists 127–131 publications: 108 scientists 132–136 publications: 107 scientists 137–141 publications: 111 scientists 142–146 publications: 94 scientists 147–151 publications: 96 scientists 152–156 publications: 100 scientists 157–161 publications: 74 scientists 162–166 publications: 68 scientists 167–171 publications: 91 scientists 172–176 publications: 76 scientists 177–181 publications: 75 scientists 182–186 publications: 61 scientists 187–191 publications: 66 scientists 192–196 publications: 68 scientists 197–201 publications: 71 scientists 202–206 publications: 60 scientists 207–211 publications: 56 scientists 212–216 publications: 44 scientists 217–221 publications: 51 scientists 222–226 publications: 65 scientists 227–231 publications: 48 scientists 232–236 publications: 59 scientists 237–241 publications: 37 scientists 242–246 publications: 37 scientists 247–251 publications: 41 scientists 252–256 publications: 43 scientists 257–261 publications: 33 scientists 262–266 publications: 34 scientists 267–271 publications: 39 scientists 272–276 publications: 25 scientists 277–281 publications: 29 scientists 282–286 publications: 29 scientists 287–291 publications: 26 scientists 292–296 publications: 31 scientists 297–301 publications: 31 scientists 302–306 publications: 24 scientists 307–311 publications: 28 scientists 312–316 publications: 24 scientists 317–321 publications: 13 scientists 322–326 publications: 14 scientists 327–331 publications: 25 scientists 332–336 publications: 18 scientists 337–341 publications: 16 scientists 342–346 publications: 18 scientists 347–351 publications: 15 scientists 352–356 publications: 17 scientists 357–361 publications: 19 scientists 362–366 publications: 16 scientists 367–371 publications: 17 scientists 372–376 publications: 7 scientists 377–381 publications: 18 scientists 382–386 publications: 13 scientists 387–391 publications: 19 scientists 392–396 publications: 9 scientists 397–401 publications: 10 scientists 402–406 publications: 13 scientists 407–411 publications: 13 scientists 412–416 publications: 5 scientists 417–421 publications: 10 scientists 422–426 publications: 6 scientists 427–431 publications: 12 scientists 432–436 publications: 9 scientists 437–441 publications: 9 scientists 442–446 publications: 10 scientists 447–451 publications: 12 scientists 452–456 publications: 8 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 4 scientists 472–476 publications: 5 scientists 477–481 publications: 6 scientists 482–486 publications: 7 scientists 487–491 publications: 8 scientists 492–496 publications: 5 scientists 497–501 publications: 4 scientists 502–506 publications: 4 scientists 507–511 publications: 5 scientists 512–516 publications: 7 scientists 517–520 publications: 7 scientists 521+ publications: 99 scientists
42 publications 521+

This scientist: 142 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 521 publications or more.

Bernie J. O'Brien D-index placement in Economics and Finance in 2026

The chart shows the D-index (discipline H-index) distribution of Economics and Finance scientists ranked by Research.com in 2026. The highlighted bar marks where Bernie J. O'Brien sits on this spectrum.

30 D-Index: 126 scientists 31 D-Index: 147 scientists 32 D-Index: 157 scientists 33 D-Index: 178 scientists 34 D-Index: 171 scientists 35 D-Index: 141 scientists 36 D-Index: 132 scientists 37 D-Index: 129 scientists 38 D-Index: 130 scientists 39 D-Index: 120 scientists 40 D-Index: 117 scientists 41 D-Index: 113 scientists 42 D-Index: 114 scientists 43 D-Index: 97 scientists 44 D-Index: 115 scientists 45 D-Index: 86 scientists 46 D-Index: 78 scientists 47 D-Index: 83 scientists 48 D-Index: 62 scientists 49 D-Index: 74 scientists 50 D-Index: 50 scientists 51 D-Index: 66 scientists 52 D-Index: 69 scientists 53 D-Index: 55 scientists 54 D-Index: 67 scientists 55 D-Index: 61 scientists 56 D-Index: 62 scientists 57 D-Index: 45 scientists 58 D-Index: 34 scientists 59 D-Index: 47 scientists 60 D-Index: 46 scientists 61 D-Index: 36 scientists 62 D-Index: 37 scientists 63 D-Index: 56 scientists 64 D-Index: 50 scientists 65 D-Index: 32 scientists 66 D-Index: 28 scientists 67 D-Index: 30 scientists 68 D-Index: 24 scientists 69 D-Index: 25 scientists 70 D-Index: 22 scientists 71 D-Index: 21 scientists 72 D-Index: 26 scientists 73 D-Index: 24 scientists 74 D-Index: 23 scientists 75 D-Index: 12 scientists 76 D-Index: 14 scientists 77 D-Index: 15 scientists 78 D-Index: 15 scientists 79 D-Index: 17 scientists 80 D-Index: 17 scientists 81 D-Index: 11 scientists 82 D-Index: 10 scientists 83 D-Index: 16 scientists 84 D-Index: 11 scientists 85 D-Index: 5 scientists 86 D-Index: 9 scientists 87 D-Index: 13 scientists 88 D-Index: 9 scientists 89 D-Index: 7 scientists 90 D-Index: 6 scientists 91 D-Index: 4 scientists 92 D-Index: 8 scientists 93 D-Index: 10 scientists 94 D-Index: 11 scientists 95 D-Index: 6 scientists 96 D-Index: 4 scientists 97 D-Index: 4 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100 D-Index: 8 scientists 101+ D-Index: 100 scientists
30 D-Index 101+

This scientist: 57 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 101 D-Index or more.

Overview

Bernie J. O'Brien was affiliated with McMaster University in Canada and contributed extensively to the field of medicine, with a focus on orthopedics and sports medicine. Their research spanned a range of topics primarily connected to sports performance, exercise physiology, and sports-related injuries.

They published research across several highly regarded scientific journals, with frequent contributions to the following publication venues:

  • Journal of science and medicine in sport
  • Medical Hypotheses
  • Sports
  • International Journal of Sports Science & Coaching
  • Cancer Research

Their body of work covered multiple subfields, including:

  • Orthopedics and Sports Medicine
  • Physiology
  • Complementary and alternative medicine
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

Main research topics addressed by Bernie J. O'Brien involved:

  • Sports Performance and Training
  • Cardiovascular and exercise physiology
  • Sports injuries and prevention
  • Sport Psychology and Performance
  • Trauma, Hemostasis, Coagulopathy, Resuscitation
  • Thermoregulation and physiological responses
  • Exercise and Physiological Responses

Notable recent papers authored or co-authored by Bernie J. O'Brien include:

  • "Plasma lipocalin-2/NGAL is stable over 12 weeks and is not modulated by exercise or dieting" (2021) published in Scientific Reports
  • "Stubborn Exercise Responders-Where to Next?" (2022) published in Sports
  • "Sport and leisure activities in the heat: What safety resources exist?" (2021) published in Journal of science and medicine in sport
  • "Optimizing combat readiness for military surgeons without trauma fellowship training: Engaging the 'voluntary faculty' model" (2023) published in The Journal of Trauma: Injury, Infection, and Critical Care
  • "Coconut Water: A Sports Drink Alternative?" (2023) published in Sports

Bernie J. O'Brien collaborated frequently with several researchers, including:

  • Leo R. Bell
  • Ryan Worn
  • Matthew P. Wallen
  • Joshua Denham
  • D. Twomey

Best Publications

  • Principles of Good Practice for Decision Analytic Modeling in Health-Care Evaluation: Report of the ISPOR Task Force on Good Research Practices—Modeling Studies

    Milton C. Weinstein;Bernie O'Brien;John Hornberger;Joseph Jackson

  • Cost‐effectiveness acceptability curves – facts, fallacies and frequently asked questions

    Elisabeth Fenwick;Bernie J. O'Brien;Bernie J. O'Brien;Andrew Briggs

  • Willingness to pay: a valid and reliable measure of health state preference?

    Bernie O'Brien;Jose Luis Viramontes

  • HEALTH CARE CONTINGENT VALUATION STUDIES : A REVIEW AND CLASSIFICATION OF THE LITERATURE

    Alan Diener;Bernie O’Brien;Bernie O’Brien;Amiram Gafni

  • In search of power and significance: issues in the design and analysis of stochastic cost-effectiveness studies in health care.

    O'Brien Bj;Drummond Mf;Labelle Rj;Willan A

  • The death of cost-minimization analysis?

    Andrew H. Briggs;Bernie J. O'Brien

  • Age, Health, and the Willingness to Pay for Mortality Risk Reductions: A Contingent Valuation Survey of Ontario Residents

    Alan Krupnick;Maureen Cropper;Anna Alberini;Martin Heintzelman

  • Coding accuracy of administrative drug claims in the Ontario Drug Benefit database.

    Adrian R Levy;Bernie J O'Brien;Connie Sellors;Paul Grootendorst

  • Users' Guides to the Medical Literature: XIII. How to Use an Article on Economic Analysis of Clinical Practice A. Are the Results of the Study Valid?

    Michael F. Drummond;W. Scott Richardson;Bernie J. O'Brien;Mitchell Levine

  • Thinking Outside the Box: Recent Advances in the Analysis and Presentation of Uncertainty in Cost-Effectiveness Studies

    Andrew H Briggs;Bernie J O'Brien;Gordon Blackhouse

  • Probabilistic analysis of cost-effectiveness models: choosing between treatment strategies for gastroesophageal reflux disease.

    Andrew H. Briggs;Ron Goeree;Gord Blackhouse;Bernie J. O’Brien

  • When Do the "Dollars" Make Sense? Toward a Conceptual Framework for Contingent Valuation Studies in Health Care

    B O'Brien;A Gafni

  • Analysis of uncertainty in health care cost-effectiveness studies: an introduction to statistical issues and methods

    B J O’Brien;A H Briggs

  • Users' Guides to the Medical Literature: XIII. How to Use an Article on Economic Analysis of Clinical Practice B. What Are the Results and Will They Help Me in Caring for My Patients?

    Bernie J. O'Brien;Daren Heyland;W. Scott Richardson;Mitchell Levine

  • Users' guides to the medical literature. XIII. How to use an article on economic analysis of clinical practice. A. Are the results of the study valid? Evidence-Based Medicine Working Group.

    M F Drummond;W S Richardson;B J O'Brien;M Levine

  • Confidence intervals for cost-effectiveness ratios: an application of Fieller's theorem.

    Andrew R. Willan;Bernie J. O'Brien

  • Users' guides to the medical literature. XIII. How to use an article on economic analysis of clinical practice. B. What are the results and will they help me in caring for my patients? Evidence-Based Medicine Working Group.

    B J O'Brien;D Heyland;W S Richardson;M Levine

  • Is there a kink in consumers' threshold value for cost-effectiveness in health care?

    Bernie J O'Brien;Kirsten Gertsen;Andrew R Willan;Andrew R Willan;Lisa A Faulkner

  • Efficacy and cost of low-molecular-weight heparin compared with standard heparin for the prevention of deep vein thrombosis after total hip arthroplasty.

    David R. Anderson;Bernie J. O'Brien;Mark N. Levine;Robin Roberts

  • Economic Evaluation of Donepezil for the Treatment of Alzheimer's Disease in Canada

    Bernie J. O'Brien;Bernie J. O'Brien;Ron Goeree;Ron Goeree;Margaret Hux;Michael Iskedjian

  • Valuing outcomes in health care: a comparison of willingness to pay and quality-adjusted life-years.

    Mohan V Bala;Lisa L Wood;Gary A Zarkin;Edward C Norton

  • Economic evaluation of pharmaceuticals. Frankenstein's monster or vampire of trials?

    B O'Brien

  • Cost-Effectiveness of Rhythm versus Rate Control in Atrial Fibrillation

    Deborah A. Marshall;Adrian R. Levy;Humberto Vidaillet;Elisabeth Fenwick

  • Cost-effectiveness of the implantable cardioverter-defibrillator: results from the Canadian Implantable Defibrillator Study (CIDS).

    Bernie J. O’Brien;Stuart J. Connolly;Ron Goeree;Gordon Blackhouse

  • Assessing the value of a new pharmaceutical. A feasibility study of contingent valuation in managed care.

    Bernie J. O'Brien;Ron Goeree;Amiram Gafni;George W. Torrance

  • Cost-Benefit Analyses in the Health-Care Literature: Don't Judge a Study by Its Label

    Kelly B Zarnke;Kelly B Zarnke;Mitchell A.H Levine;Mitchell A.H Levine;Bernie J O'Brien;Bernie J O'Brien

Frequent Co-Authors

Amiram Gafni
Amiram Gafni McMaster University
Michael Drummond
Michael Drummond University of York
Deborah J. Cook
Deborah J. Cook McMaster University
Gary A. Zarkin
Gary A. Zarkin Research Triangle Park Foundation
Stephen Birch
Stephen Birch University of Queensland
Edward C. Norton
Edward C. Norton University of Michigan–Ann Arbor
Mauro Giacomini
Mauro Giacomini McMaster University
David L. Streiner
David L. Streiner University of Toronto
John Brazier
John Brazier University of Sheffield
Magnus Johannesson
Magnus Johannesson Stockholm School of Economics

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Best Scientists Citing Bernie J. O'Brien