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Full-Text Articles in Life Sciences

Differential Responding By Rhesus Monkeys (Macaca Mulatta) And Humans (Homo Sapiens) To Variable Outcomes In The Assurance Game, Audrey E. Parrish, Sarah F. Brosnan, Bart J. Wilson, Michael J. Beran Jan 2014

Differential Responding By Rhesus Monkeys (Macaca Mulatta) And Humans (Homo Sapiens) To Variable Outcomes In The Assurance Game, Audrey E. Parrish, Sarah F. Brosnan, Bart J. Wilson, Michael J. Beran

Economics Faculty Articles and Research

Behavioral flexibility in how one responds to variable partner play can be examined using economic coordination games in which subjects play against a variety of partners and therefore may need to alter their behavior to produce the highest payoff. But how do we study this behavioral flexibility once players have settled on a response? Here, we investigated how responding by rhesus monkeys (Macaca mulatta) and humans (Homo sapiens) playing a computerized single-player version of a coordination game, the Assurance game, changed as a function of the variable responses (Stag/Hare) generated by multiple simulations (SIMs). We were interested in whether individuals …


Comparative Approaches To Studying Strategy: Towards An Evolutionary Account Of Primate Decision Making, Sarah F. Brosnan, Michael J. Beran, Audrey E. Parrish, Sara A. Price, Bart J. Wilson Jul 2013

Comparative Approaches To Studying Strategy: Towards An Evolutionary Account Of Primate Decision Making, Sarah F. Brosnan, Michael J. Beran, Audrey E. Parrish, Sara A. Price, Bart J. Wilson

Economics Faculty Articles and Research

How do primates, humans included, deal with novel problems that arise in interactions with other group members? Despite much research regarding how animals and humans solve social problems, few studies have utilized comparable procedures, outcomes, or measures across different species. Thus, it is difficult to piece together the evolution of decision making, including the roots from which human economic decision making emerged. Recently, a comparative body of decision making research has emerged, relying largely on the methodology of experimental economics in order to address these questions in a cross-species fashion. Experimental economics is an ideal method of inquiry for this …


The Primitive Hunter Culture, Pleistocene Extinction, And The Rise Of Agriculture, Vernon L. Smith Jan 1975

The Primitive Hunter Culture, Pleistocene Extinction, And The Rise Of Agriculture, Vernon L. Smith

Economics Faculty Articles and Research

The hypothesis that megafauna extinction some 10,000 years ago was due to "overkill" by Paleolithic hunters is examined using an economic model of a replenishable resource. The large herding animals that became extinct, such as mammoth, bison, camel, and mastodon, presented low hunting cost and high kill value. The absence of appropriation provided incentives for the wastage killing evident in some kill sites, while the slow growth, long lives, and long maturation of large animals increased their vulnerability to extinction. Free-access hunting is compared with socially optimal hunting and used to interpret the development of conservationist ethics, and controls, in …


On Models Of Commercial Fishing: The Traditional Literature Needs No Defenders, Vernon L. Smith Jan 1972

On Models Of Commercial Fishing: The Traditional Literature Needs No Defenders, Vernon L. Smith

Economics Faculty Articles and Research

Examines the models of commercial fishing. Representation of the variable K as a measure of crowding externality in the cost function; Change of the degree of fishing pressure without changing the variable K; Modification of the output of firms by varying the inputs.


On Models Of Commercial Fishing, Vernon L. Smith Jan 1969

On Models Of Commercial Fishing, Vernon L. Smith

Economics Faculty Articles and Research

Commercial fishing is characterized by three key economic and technological features that are relevant to the formulation of an economic theory of fish production. 1. A fishery resource, although conceivably exhaustible, is replenishable; that is, it is subject to laws of natural growth which define an environmental biotechnological constraint on the activities of the fishing industry. 2. The resource and the activity of production from it form a stock-flow relationship. The new growth in the population fish mass depends upon the harvest rate relative to natural recruitment to the stock. If the harvest rate exceeds the recruitment rate, the stock …