Trust in Private and Common Property Experiments (2007)
Cox, James C., Ostrom, Elinor, Walker, James M.
"We report the results from a series of experiments designed to investigate behavior in two settings that are frequently posited in the policy literature as generating different outcomes: private...
Walker, James M., Williams, Arlington W.
An updated version of this paper is available at http://www.iub.edu/~caepr/RePEc/PDF/CAEPR2006-007_updated.pdf
Walker, James M., Williams, Arlington W.
An updated version of this paper is available at http://www.iub.edu/~caepr/RePEc/PDF/CAEPR2006-007_updated.pdf
James E Cordes, James M Walker
The whiptail lizard Aspidoscelis dixoni (Teiidae) comprises three distinctive color pattern classes (i.e., variants); A and B are restricted to Presidio County, Texas, and C is isolated over 500 km...
GLENN J. MANNING, CHARLES J. COLE, HERBERT C. DESSAUER, JAMES M. WALKER
Whiptail lizard guilds consisting of different combinations of parthenogenetic Aspidoscelis exsanguis, Aspidoscelis neomexicana, and Aspidoscelis tesselata pattern classes C and D and gonochoristic...
Harry L. Taylor, James M. Walker, James E. Cordes, Glenn J. Manning
Sumner Lake State Park, De Baca County, New Mexico, is the only known locality where three pattern classes of diploid, parthenogenetic Aspidoscelis tesselata (Sumner C, Sumner D, and Sumner E)...
Harry L. Taylor, James M. Walker, James E. Cordes, Glenn J. Manning
We compared several life history characteristics between 2 syntopic color pattern classes (Conchas C-E and Conchas D) of parthenogenetic Aspidoscelis tesselata from Conchas Lake, New Mexico. These...
Manning, Glenn J., Cole, Charles J., Dessauer, Herbert C., Walker, James M.
56 p. : ill. (some col.), map ; 26 cm.
James E. Cordes, James M. Walker
At Conchas Lake State Park, San Miguel County, New Mexico, four allozymic variants of parthenogenetic Cnemidophorus tesselatus pattern class C and three allozymic variants of C. tesselatus D are...
James M. Walker, James E. Cordes
Parthenogenetic reproduction has not precluded the genesis of extensive genetic variation in the whiptail lizard, Cnemidophorus tesselatus. In Conchas Lake State Park, San Miguel County, New Mexico,...
Incorporating Motivational Heterogeneity into Game Theoretic Models of Collective Action (2002)
Ahn, T. K., Ostrom, Elinor, Walker, James M.
Subsequently published as: "Incorporating Motivational Heterogeneity into Game Theoretic Models of Collective Action." Public Choice, 117, 2003, 295-315. "Understanding cooperation in the context of...
HARRY L. TAYLOR, CHARLES J. COLE, LAURENCE M. HARDY, HERBERT C. DESSAUER, CAROL R. TOWNSEND, JAMES M. WALKER, ...
Annual hybridization is taking place between representatives of the parthenogenetic lizard Cnemidophorus tesselatus (2n = 46, 47) and males of the bisexual species C. tigris marmoratus (2n = 46) in...
James M. Walker, James E. Cordes, Harry L. Taylor, Hobart M. Smith
We used 11 samples comprising 224 specimens collected between 1966 and 1999 in Chihuahua, México, and Texas to clarify aspects of color pattern and meristic variation in the notoriously difficult...
JAMES M. WALKER, JAMES E. CORDES, RAMADAN M. ABUHTEBA, MARK A. PAULISSEN
We searched for areas of syntopy between hybrid-derived clonal complexes A and B of Cnemidophorus laredoensis and both of their gonochoristic progenitors, C. sexlineatus and C. gularis, in Texas and...
Taylor, Harry Leonard., Cole, Charles J., Hardy, Laurence M., Dessauer, Herbert C., Townsend, Carol R., Walker, James M., ...
64 p. : ill. (some col.) ; 26 cm.
Voting on Allocation Rules in a Commons: Predictive Theories and Experimental Results (1997)
Walker, James M., Gardner, Roy, Ostrom, Elinor, Herr, Andrew
"An immense outpouring of empirical studies has been published during the past decade focusing on the norms and rules that have evolved or been chosen to govern smaller, relatively homogeneous...
Social Dilemmas: Behavior With and Without Communication (1997)
"In the context of individual and group decision making, the presence of social dilemmas imply a divergence between expected outcomes and outcomes that would be optimal from the perspective of the...
GOVERNING A GROUNDWATER COMMONS: A STRATEGIC AND LABORATORY ANALYSIS OF WESTERN WATER LAW (1997)
GARDNER, ROY, MOORE, MICHAEL R., WALKER, JAMES M.
We examine strategic behavior in groundwater depletion within the setting of state governance of groundwater resources in the American West. Solving a dynamic common-pool resource model for its...
Appropriation Externalities in the Commons: Repetition, Time Dependence, and Group Size (1995)
Herr, Andrew, Gardner, Roy, Walker, James M.
"The use of Common Pool Resources (CPR) generally implies the existence of appropriation externalities. The externality studied in this paper arises because the cost of appropriation is a function of...
Hackett, Steven, Dudley, Dean, Walker, James M.
Subsequently published as: "Heterogeneities, Information, and Conflict Resolution: Experimental Evidence on Sharing Contracts," Journal of Theoretical Politics 6(4), 1994, 495-525. "A growing body of...
REWARDS, EXPERIENCE AND DECISION COSTS IN FIRST PRICE AUCTIONS (1993)
SMITH, VERNON L., WALKER, JAMES M.
Consistent with a model of asymmetric risk aversion, subjects in first price auctions consistently bid above the risk neutral Nash prediction. It has been argued that this is due to low opportunity...
MONETARY REWARDS AND DECISION COST IN EXPERIMENTAL ECONOMICS (1993)
SMITH, VERNON L., WALKER, JAMES M.
A surtey of thirty-one experimental studies whith report data on the comparative effects of monetary rewards and opportunity cost shows: (1) several studies in whith increased rewards shift the...
Social Capital and Cooperation: Communication, Bounded Rationality, and Behavioral Heuristics (1992)
Gardner, Roy, Ostrom, Elinor, Walker, James M.
"Common-pool resources are natural or man made resources used in common by multiple users, where yield is subtractable (rival) and exclusion is nontrivial (but not necessarily impossible). The role...
Gardener, Roy, Moore, Michael R., Walker, James M.
Subsequently Published as: "Ground Water Law in the American West: Economic Modeling and Analysis," Designing Institutions for Environmental and Resource Management, edited by Edna Loehman and Marc...
Covenants With and Without a Sword: Self-Enforcement is Possible (1991)
Ostrom, Elinor, Walker, James M., Gardner, Roy
"Contemporary political theory often assumes that individuals cannot make credible commitments where substantial temptations exist to break them, unless such commitments are enforced by an external...
Isaac, R. Mark, Walker, James M., Williams, Arlington W.
Subsequently published as: "Group Size and the Voluntary Provision of Public Goods: Experimental Evidence Utilizing Large Groups," Journal of Public Economics 54(1), 1994, 1-36. "This paper presents...
Probabilistic Destruction of Common Pool Resources: Experimental Evidence (1991)
Walker, James M., Gardner, Roy
Subsequently Published as: Walker, James, and Roy Gardner 1992. "Probabilistic Destruction of Common-Pool Resources: Experimental Evidence." Economic Journal 102(414):1149-1161. "This paper uses a...
Walker, James M., Gardner, Roy
"Using experimental methods to test a game theoretic model of destruction in a common pool resource environment, this paper investigates whether the possibility of destruction will significantly...
Communication in a Commons: Cooperation Without External Enforcement (1989)
Ostrom, Elinor, Walker, James M.
"The experiments reported in this paper provide strong evidence for the power of face-to-face communication in a repeated common-pool resource environment where decisions are made privately. When...
COMMUNICATION AND FREE-RIDING BEHAVIOR: THE VOLUNTARY CONTRIBUTION MECHANISM (1988)
ISAAC, R. MARK, WALKER, JAMES M.
We examine experimentally the role of active communication as a mechanism for improving economic efficiency in a voluntary contribution public goods environment. With no communication this...
The Nature of Common-Pool Resource Problems (1987)
Gardner, Roy, Ostrom, Elinor, Walker, James M.
Published as: "The Nature of Common-Pool Resource Problems," Rationality and Society 2(3), July 1990, 335-358. "A large, multidisciplinary literature focuses on the problems occurring when multiple...
Communication and Free Riding Behavior: The Voluntary Contribution Mechanism (1986)
Isaac, R. Mark, Walker, James M.
Subsequently published as: "Group Size Hypotheses of Public Goods Provision: The Voluntary Contribution Mechanism," Quarterly Journal of Economics, Vol. CIII, February 1988, 179-200 "One of the most...
Frustration effect in a free operant situation : "Frustration effect" of stimulus change. (1969)
Thesis (M.S.)--B.Y.U. Dept. of Psychology.
Hassol, Andrea, Walker, James M., Kidder, David, Rokita, Kim, Young, David, Pierdon, Steven, ...
Objective: Patient access to their electronic health care record (EHR) and Web-based communication between patients and providers can potentially improve the quality of health care, but little is...
Matching Contributions and the Voluntary Provision of a Pure Public Good: Experimental Evidence
James M. Walker, Arlington W. Williams
Laboratory experiments are used to study the voluntary provision of a pure public good in the presence of an anonymous external donor. The external funds are used in two different settings, lump-sum...
The Effect of Rewards and Sanctions in Provision of Public Goods
Martin Sefton, Robert Shupp, James M. Walker
A growing number of field and experimental studies focus on the institutional arrangements by which individuals are able to solve collective action problems. Important in this research is the role of...
Resource Allocation Contests: Experimental Evidence
David Schmidt, Robert Shupp, James M. Walker
Across many forms of rent seeking contests, the impact of risk aversion on equilibrium play is indeterminate. We design an experiment to compare individuals’ decisions across three contests which...
Asymmetric Payoffs in Simultaneous and Sequential Prisoner's Dilemma Games
T.K. Ahn, Myungsuk Lee, Lore Ruttan, James M. Walker
We investigate the role of payoff asymmetry in laboratory prisoner’s dilemma games. Symmetric and Asymmetric games are examined in simultaneous and sequential settings. In the asymmetric/sequential...
Hassol, Andrea, Walker, James M., Kidder, David, Rokita, Kim, Young, David, Pierdon, Steven, ...
Objective: Patient access to their electronic health care record (EHR) and Web-based communication between patients and providers can potentially improve the quality of health care, but little is...
Rewards and Sanctions and the Provision of Public Goods in One-Shot Settings
James M. Walker, Matthew A. Halloran
A burgeoning literature in experimental studies of the Voluntary Contribution Mechanism focuses on the ability of institutions that allow the monitoring, sanctioning, and/or rewarding of others to...
THE EFFECT OF REWARDS AND SANCTIONS IN PROVISION OF PUBLIC GOODS
MARTIN SEFTON, ROBERT SHUPP, JAMES M. WALKER
"A growing number of field and experimental studies focus on the institutional arrangements by which individuals are able to solve collective action problems. Important in this research is the role...
Chronic Opioid Use is a Risk Factor for the Development of Central Sleep Apnea and Ataxic Breathing
Walker, James M., Farney, Robert J., Rhondeau, Steven M., Boyle, Kathleen M, Valentine, Karen, Cloward, Tom V., ...
Probabilistic Destruction of Common-Pool Resources: Experimental Evidence.
Using experimental methods to test a game theoretic model of destruction in a common pool resource environment, this paper investigates whether the possibility of destruction will significantly alter...
Heterogeneous Preferences and Collective Action.
Ahn, T K, Ostrom, Elinor, Walker, James M
In recent years, scholars have turned to alternative representations of utility to capture motivational heterogeneity across individuals. In the research reported here, we examine two models of...
Trust in Private and Common Property Experiments
James C. Cox, Elinor Ostrom, James M. Walker, Jamie Castillo, Eric Coleman, Robert Holahan, ...
We report the results from a series of experiments designed to investigate behavior in two settings that are frequently posited in the policy literature as generating different outcomes: private...
The Voluntary Provision of a Pure Public Good with Diminishing Marginal Returns.
Laury, Susan K, Walker, James M, Williams, Arlington W
In experiments investigating the voluntary provision of a pure public good, participants consistently allocate resources to this good when the Nash prediction is to allocate nothing. This paper...
Theory and Individual Behavior of First-Price Auctions.
Cox, James C, Smith, Vernon L, Walker, James M
First-price auction theory is extended to the case of heterogeneous bidders characterized by M-parameter log-concave utility functions. This model, and its specific two-parameter constant relative...
Racing for the Water: Laboratory Evidence on Subgame Perfection
Gardner, Roy, Michael R. Moore, James M. Walker
This paper examines strategic behaviour in the context of a dynamic common-pool resource game with a unique symmetric subgame equilibrium. Solving the model for its optimal solution and its subgame...
Group Size Effects in Public Goods Provision: The Voluntary Contributions Mechanism.
Isaac, R Mark, Walker, James M
This paper examines the relationship between variations in group size and "free-riding" behavior in the voluntary provisi on of public goods. The authors examine experimentally two pertinent...
Governing a Groundwater Commons: A Strategic and Laboratory Analysis of Western Water Law.
Gardner, Roy, Moore, Michael R, Walker, James M
The authors examine strategic behavior in groundwater depletion within the setting of state governance of groundwater resources in the American West. Solving a dynamic common-pool resource model for...
Rewards, Experience and Decision Costs in First Price Auctions.
Smith, Vernon L, Walker, James M
Consistent with a model of asymmetric risk aversion, subjects in first price auctions consistently bid above the risk neu tral Nash prediction. It has been argued that this is due to low opportun ity...
Monetary Rewards and Decision Cost in Experimental Economics.
Smith, Vernon L, Walker, James M
A survey of thirty-one experimental studies that report data on the comparative effects of monetary rewards and opportunity cost shows (1) several studies in which increased reward s shift the...
Communication and Free-Riding Behavior: The Voluntary Contribution Mechanism.
Isaac, R Mark, Walker, James M
The authors experimentally examine the role of active communication as a mechanism for improving economic efficiency in a voluntary-contribution, public-goods environment. With no communication, this...
EHR Safety: The Way Forward to Safe and Effective Systems
Walker, James M., Carayon, Pascale, Leveson, Nancy, Paulus, Ronald A., Tooker, John, Chin, Homer, ...
Diverse stakeholders—clinicians, researchers, business leaders, policy makers, and the public—have good reason to believe that the effective use of electronic health care records (EHRs) is...
Motivation Theory and Experimental Behavior under the Decision Cost Hypothesis
Smith, Vernon L., Walker, James M., Charles R. Plott, Vernon L. Smith
Rewards and Behavior in First Price Auctions
Smith, Vernon L., Walker, James M., Charles R. Plott, Vernon L. Smith
Trust in Private and Common Property Experiments
James C. Cox, Elinor Ostrom,, James M. Walker, Antonio Jamie Castillo, Eric Coleman, Robert Holahan, ...
We report the results from a series of experiments designed to investigate behavior in two settings that are frequently posited in the policy literature as generating different outcomes: private...
Matching contributions and the voluntary provision of a pure public good: Experimental evidence
Baker II, Ronald J., Walker, James M., Williams, Arlington W.
Laboratory experiments are used to study the voluntary provision of a pure public good in the presence of an anonymous external donor. The external funds are used in two different settings, lump-sum...