GENERALIZATION OF THE PRICE EQUATION FOR EVOLUTIONARY CHANGE

Benjamin Kerr; Peter Godfrey-Smith

doi:10.1111/j.1558-5646.2008.00570.x

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Benjamin Kerr,^1,2 Peter Godfrey-Smith^3,4

¹1 Department of Biology, University of Washington, Seattle, Washington 98195
²2 E-mail: kerrb@u.Washington.edu
³3 Department of Philosophy, Harvard University, Cambridge, Massachusetts 02138
⁴4 E-mail: pgs@fas.harvard.edu

Abstract

The Price equation is recognized as a general statistical description of evolutionary change with the potential to represent diverse processes. Here we present a new structurally symmetric equation for change that allows for arbitrary causal connectivity between ancestors and descendants, accounts for previously unaddressed processes (such as migration), and yields the Price equation as a special case.

Citation Download Citation

Benjamin Kerr and Peter Godfrey-Smith "GENERALIZATION OF THE PRICE EQUATION FOR EVOLUTIONARY CHANGE," Evolution 63(2), 531-536, (1 February 2009). https://doi.org/10.1111/j.1558-5646.2008.00570.x

Received: 22 June 2008; Accepted: 7 October 2008; Published: 1 February 2009