- Zipf distribution of U.S. firm sizesR L Axtell
Center on Social and Economic Dynamics, The Brookings Institution, 1775 Massachusetts Avenue, NW, Washington, DC 20036, USA
Science 293:1818-20. 2001..These results hold for data from multiple years and for various definitions of firm size...
- Population growth and collapse in a multiagent model of the Kayenta Anasazi in Long House ValleyRobert L Axtell
Center on Social and Economic Dynamics, The Brookings Institution, Washington, DC 20036, USA
Proc Natl Acad Sci U S A 99:7275-9. 2002..Nutritional needs constrain fertility. Agent heterogeneity, difficult to model mathematically, is demonstrated to be crucial to the high fidelity of the model...