Encyclopedia of Systems Biology

2013 Edition
| Editors: Werner Dubitzky, Olaf Wolkenhauer, Kwang-Hyun Cho, Hiroki Yokota

Price Equation

Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-9863-7_891


Mathematically derived formula of evolutionary change (Price 1970). Due to population geneticist George Price in 1970, this equation expresses the between-generation change in a trait mean value in the following way :
$$ \Delta {\text{z}} = {\text{Cov}}{{{\left( {{{\text{w}}_{\text{i}}},{{\text{z}}_{\text{i}}}} \right)}} \left/ {\text{w}} \right.} + {\text{E }}{{{\left( {{{\text{w}}_{\text{i}}} \Delta {{\text{z}}_{\text{i}}}} \right)}} \left/ {\text{w}} \right.} $$
This is a preview of subscription content, log in to check access.


  1. Frank SA (1995) George price’s contributions to evolutionary genetics. J Theor Biol 175(3):373–388PubMedGoogle Scholar
  2. Gardner A (2008) The price equation. Curr Biol 18(5):R198–R202PubMedGoogle Scholar
  3. Price G (1970) Selection and covariance. Nature 227:520–521PubMedGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC 2013

Authors and Affiliations

  1. 1.Institut d’Histoire et de Philosophie (IHPST), des Sciences et des Techniques Université Paris 1 Panthéon-SorbonneParisFrance