World's Best Scientists 2026 revealed!

D-Index & Metrics

Economics and Finance

D-Index
55
Citations
20154
World Ranking
1041
National Ranking
647

Mathematics

D-Index
60
Citations
23790
World Ranking
540
National Ranking
278

A. Ronald Gallant publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where A. Ronald Gallant sits on this spectrum.

42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 83 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientists 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientists 522–526 publications: 3 scientists 527–531 publications: 1 scientists 532–536 publications: 4 scientists 537+ publications: 100 scientists
42 publications 537+

This scientist: 172 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

A. Ronald Gallant D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where A. Ronald Gallant sits on this spectrum.

30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 138 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 60 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

Research.com Recognitions

  • 1983 - Fellow of the American Statistical Association (ASA)

Overview

A. Ronald Gallant is affiliated with Pennsylvania State University in the United States and has a research focus within the field of Economics, Econometrics, and Finance. Their work spans multiple subfields including Finance, Economics and Econometrics, Statistics and Probability, Electrical and Electronic Engineering, and General Economics, Econometrics and Finance.

The scientist's work covers several main topics, notably Statistical Methods and Inference, Financial Risk and Volatility Modeling, Stochastic Processes and Financial Applications, Monetary Policy and Economic Impact, Economic Theories and Models, Financial Markets and Investment Strategies, as well as Bayesian Methods and Mixture Models.

Gallant has published research in a variety of academic venues, with frequent appearances in the Journal of Econometrics, UNC Libraries, Batteries, Journal of Applied Econometrics, and the Journal of Risk and Financial Management.

  • Journal of Econometrics
  • UNC Libraries
  • Batteries
  • Journal of Applied Econometrics
  • Journal of Risk and Financial Management

Recent papers authored or co-authored by Gallant include:

  • Complementary Bayesian method of moments strategies, 2020, Journal of Applied Econometrics
  • Constrained estimation using penalization and MCMC, 2021, Journal of Econometrics
  • Nonparametric Bayes subject to overidentified moment conditions, 2021, Journal of Econometrics

Other relevant papers connected to the research environment, including coauthor contributions, are:

  • Solid-State Lithium Batteries: Advances, Challenges, and Future Perspectives, 2025, Batteries
  • Purebred or hybrid?: Reproducing the volatility in term structure dynamics, 2021, UNC Libraries

Frequent coauthors of Gallant include George Tauchen, Subin Antony Jose, Pedro Lechuga Gomez, Zacary Jaggers, and Erik Johansson.

  • George Tauchen
  • Subin Antony Jose
  • Pedro Lechuga Gomez
  • Zacary Jaggers
  • Erik Johansson

A. Ronald Gallant was recognized as a Fellow of the American Statistical Association (ASA) in 1983.

Best Publications

  • Nonlinear Statistical Models

    A Ronald Gallant

  • Stock Prices and Volume

    A. Ronald Gallant;Peter E. Rossi;George Tauchen

  • WHICH MOMENTS TO MATCH

    A. Ronald Gallant;George Tauchen

  • On the bias in flexible functional forms and an essentially unbiased form: The fourier flexible form☆

    A.Ronald Gallant

  • Semi-nonparametric maximum likelihood estimation

    A. Ronald Gallant;Douglas W. Nychka

  • Alternative models for stock price dynamics

    Mikhail Chernov;A. Ronald Gallant;Eric Ghysels;George Tauchen

  • A Unified Theory of Estimation and Inference for Nonlinear Dynamic Models

    A. Ronald Gallant;Halbert White

  • Quadratic Term Structure Models: Theory and Evidence

    Dong Hyun Ahn;Robert F. Dittmar;A. Ronald Gallant

  • "Seminonparametric Estimation of Conditionally Constrained Heterogeneous Processes: Asset Pricing Applications"

    A Ronald Gallant;George Tauchen

  • Nonlinear dynamic structures

    A. Ronald Gallant;Peter E. Rossi;George Tauchen

  • Numerical Techniques for Maximum Likelihood Estimation of Continuous-Time Diffusion Processes

    Garland B. Durham;A. Ronald Gallant

  • Statistical inference for a system of simultaneous, non-linear, implicit equations in the context of instrumental variable estimation

    A.Ronald Gallant;Dale W. Jorgenson

  • Estimation of stochastic volatility models with diagnostics

    A.Ronald Gallant;David Hsieh;George Tauchen

  • Finding chaos in noisy systems

    Douglas Nychka;Stephen Ellner;A. Ronald Gallant;Daniel McCaffrey

  • Unbiased determination of production technologies

    A.Ronald Gallant

  • Original Contribution: On learning the derivatives of an unknown mapping with multilayer feedforward networks

    A. Ronald Gallant;Halbert White

  • Fitting Segmented Polynomial Regression Models Whose Join Points Have to Be Estimated

    A. R. Gallant;Wayne A. Fuller

  • A single-blind controlled competition among tests for nonlinearity and chaos

    William A. Barnett;A.Ronald Gallant;Melvin J. Hinich;Jochen A. Jungeilges

  • The nonlinear mixed effects model with a smooth random effects density

    Marie Davidian;A. Ronald Gallant

  • USING DAILY RANGE DATA TO CALIBRATE VOLATILITY DIFFUSIONS AND EXTRACT THE FORWARD INTEGRATED VARIANCE

    A. Ronald Gallant;Chien-Te Hsu;George Tauchen

  • Seemingly unrelated nonlinear regressions

    A.Ronald Gallant

Frequent Co-Authors

George Tauchen
George Tauchen Duke University
Douglas Nychka
Douglas Nychka Colorado School of Mines
Stephen P. Ellner
Stephen P. Ellner Cornell University
Eric Ghysels
Eric Ghysels University of North Carolina at Chapel Hill
Marie Davidian
Marie Davidian North Carolina State University
Mikhail Chernov
Mikhail Chernov University of California, Los Angeles
William A. Barnett
William A. Barnett University of Kansas
Halbert White
Halbert White University of California, San Diego
Daniel F. McCaffrey
Daniel F. McCaffrey Educational Testing Service

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