View Proposal #407

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ID407
First NameKenneth
Last NameDriessel
InstitutionIowa State University
Speaker Categoryother
Title of TalkBusiness cycles and predator-prey ordinary differential equations
AbstractRichard M. Goodwin (1913-1996) was an American mathematician and economist. During most of his career he taught at the University of Cambridge. Goodwin studied economic growth and the business cycle. In 1967 he published a paper with title "A Growth Cycle". In this paper he described an economic model consisting of two nonlinear first order ordinary differential equations that exhibits cyclic behavior. This system is similar to the well-known system of predator-prey equations of Lotka and Volterra. Goodwin seems to have had mixed opinions about his system. He writes (in 1967): "Presented here is a starkly schematized and hence quite unrealistic model of cycles in growth rates." He also writes (in 1972): "[These assumptions] were chosen because they represent, in my opinion, the most essential dynamic aspects of capitalism; furthermore, they are factually based, to the order of accuracy implicit in such a model." In this talk, I shall present my version of Goodwin's growth cycle system.
Subject area(s)economics, ordinary differential equations
Suitable for undergraduates?Y
Day Preferencenone
Computer Needed?Y
Bringing a laptop?Y
Overhead Needed?N
Software requests
Special Needs
Date Submitted10/01/2014
Year2014