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Within And Between Group Variation Of Individual Strategies In Common Pool Resources: Evidence From Field Experiments, Maria Alejandra Velez, James J. Murphy, John K. Stranlund
Within And Between Group Variation Of Individual Strategies In Common Pool Resources: Evidence From Field Experiments, Maria Alejandra Velez, James J. Murphy, John K. Stranlund
John K. Stranlund
With data from framed common pool resource experiments conducted with artisanal fishing communities in Colombia, we estimate a hierarchical linear model to investigate within-group and between-group variation in individual harvest strategies across several institutions. Our results suggest that communication serves to effectively coordinate individual strategies within groups, but that these coordinated strategies vary considerably across groups. In contrast, weakly enforced regulatory restrictions on individual harvests (as well as unregulated open access) produce significant variation in the individual strategies within groups, but these strategies are roughly replicated across groups so that there is little between-group variation.
Centralized And Decentralized Management Of Local Common Pool Resources In The Developing World: Experimental Evidence From Fishing Communities In Colombia, Maria Alejandra Velez, James J. Murphy, John K. Stranlund
Centralized And Decentralized Management Of Local Common Pool Resources In The Developing World: Experimental Evidence From Fishing Communities In Colombia, Maria Alejandra Velez, James J. Murphy, John K. Stranlund
John K. Stranlund
This paper uses experimental data to test for a complementary relationship between formal regulations imposed on a community to conserve a local natural resource and nonbinding verbal agreements to do the same. Our experiments were conducted in the field in three regions of Colombia. Each group of five subjects played 10 rounds of an open access common pool resource game, and 10 additional rounds under one of five institutions— communication alone, two external regulations that differed by the level of enforcement, and communication combined with each of the two regulations. Our results suggest that the hypothesis of a complementary relationship …