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 individuals concurrently use common-pool resources such as fisheries, grazing areas, airsheds, oil...

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 social dilemma games is fundamental to understanding how alternative institutional arrangements may...

"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 was provided as a 'costless' institution, players successfully used the opportunity...

"Over the past 30 years, applied microeconomics has seen an explosion in the use of experimental methods as a tool for observing economic behavior. Economic experiments serve as a complement to field research using, allowing the researcher to create and control key theoretically based rules of...