2026 Lilliard E. Richardson: Political Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Political Science	23	1782	1638	892	793	76	2145

Overview

Lilliard E. Richardson is affiliated with Pennsylvania State University in the United States. Their research primarily spans the field of Medicine with a focus on subfields such as Epidemiology, Pharmacology, and General Health Professions. Additional areas of study include Global and Planetary Change and Sociology and Political Science.

The scientist's research topics encompass a variety of areas related to public health and policy, including:

Cannabis and Cannabinoid Research
Substance Abuse Treatment and Outcomes
Flood Risk Assessment and Management
HIV, Drug Use, Sexual Risk
Homelessness and Social Issues
Disaster Management and Resilience
Tropical and Extratropical Cyclones Research

Among recent publications, Lilliard E. Richardson has contributed to studies on flood risk and cannabis policy. Recent papers include:

"Distributions of Flood Risk: The Implications of Alternative Measures of Flood Risk" (2022) published in Water Economics and Policy
"Cannabis Policy Adaptation: Exploring Frameworks of State Policy Characteristics" (2023) published in Public Administration Quarterly
"Cannabis policy bundles and traffic fatalities in the American States over time" (2024) published in Addiction
"Adding Nuance to Understanding the Effects of Cannabis Legalization by Using Policy Bundles: A Study of Youth Mental Health" (2025) published in Substance Use & Misuse
"Influences on cannabis policy design and adaptation in the American states" (2025) published in Policy Studies Journal

Lilliard E. Richardson frequently collaborates with several other researchers including:

Daniel J. Mallinson
Grant W. Neeley
Shazib Altaf
Douglas S. Noonan
Pin Sun

The scientist's work appears repeatedly in journals such as Water Economics and Policy, Public Administration Quarterly, Addiction, Substance Use & Misuse, and Policy Studies Journal. This indicates a diverse engagement in interdisciplinary research spanning public health, policy, and environmental issues.

Best Publications

Environmental Policy Attitudes: Issues, Geographical Scale, and Political Trust*

David M. Konisky;Jeffrey Milyo;Lilliard E. Richardson

297
Citations
Gender Differences in Constituency Service Among State Legislators

Lilliard E. Richardson;Patricia K. Freeman

178
Citations
Motorcyclist fatality rates and mandatory helmet-use laws.

David J. Houston;Lilliard E. Richardson

134
Citations
Who is early voting? An individual level examination

Grant W. Neeley;Lilliard E. Jr Richardson

129
Citations
Motorcycle Safety and the Repeal of Universal Helmet Laws

David J. Houston;Lilliard E. Richardson

94
Citations
Explaining Variation in Casework among State Legislators

Patricia K. Freeman;Lilliard E. Richardson

93
Citations
Getting Americans to buckle up: The efficacy of state seat belt laws

David J. Houston;Lilliard E. Richardson

92
Citations
The State of Surveying Legislators: Dilemmas and Suggestions

Cherie Maestas;Grant W. Neeley;Lilliard E. Richardson

87
Citations
Traffic safety and the switch to a primary seat belt law: The California experience

David J. Houston;Lilliard E. Richardson

87
Citations
Drinking-and-Driving in America: A Test of Behavioral Assumptions Underlying Public Policy:

David J. Houston;Lilliard E. Richardson

72
Citations
Shirking, representation, and Congressional behavior: Voting on the 1983 amendments to the Social Security Act

Lilliard E. Richardson;Michael C. Munger

67
Citations
THE POLITICS OF AIR BAG SAFETY: A COMPETITION AMONG PROBLEM DEFINITIONS

David J. Houston;Lilliard E. Richardson

65
Citations
Risk Compensation or Risk Reduction? Seatbelts, State Laws, and Traffic Fatalities*

David J. Houston;Lilliard E. Richardson

35
Citations
Reducing Traffic Fatalities in the American States by Upgrading Seat Belt Use Laws to Primary Enforcement.

David J. Houston;Lilliard E. Richardson

34
Citations
Safety belt use and the switch to primary enforcement, 1991-2003.

David J. Houston;Lilliard E. Richardson

31
Citations
MANDATORY SEAT BELT LAWS IN THE STATES: A STUDY OF FATAL AND SEVERE OCCUPANT INJURIES /

David J. Houston;Lilliard E. Richardson;Grant W. Neeley

28
Citations
Gender Differences in Constituency Service among State Legislators

Unknown

27
Citations
Legislative Representation in a Single-Member versus Multiple-Member District System: The Arizona State Legislature:

Lilliard E. Richardson;Brian E. Russell;Christopher A. Cooper

23
Citations
The effect of state regulations on truck-crash fatalities.

Grant W. Neeley;Lilliard E. Richardson

22
Citations
Environmental Policy Attitudes: Issues, Geographical Scale, and Political Trust

David Konisky;Jeff Milyo;Jeff Milyo;Lilliard E. Richardson

20
Citations
Institutions and Representational Roles in American State Legislatures

Christopher A. Cooper;Lilliard E. Richardson

15
Citations
Learning From Waiver States: Coverage Effects Under Indiana’s HIP Medicaid Expansion

Seth Freedman;Lilliard Richardson;Kosali I. Simon

15
Citations
E-mail Contact between Constituents and State Legislators

Lilliard E. Richardson;Linda M. Daugherty;Patricia K. Freeman

10
Citations
Ideological extremism and electoral design. Multimember versus single member districts

Anthony Bertelli;Anthony Bertelli;Lilliard E. Richardson

10
Citations

Frequent Co-Authors

Anthony M. Bertelli Pennsylvania State University

David J. Houston University of Tennessee at Knoxville

Jeffrey Milyo University of Missouri

David M. Konisky Indiana University

Kosali Simon Indiana University

Michael C. Munger Duke University

External Links

Personal website of Lilliard E. Richardson

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