Studying Language Change Using Price Equation and Pólya-urn Dynamics Gong, Tao ; Shuai, Lan ; Tamariz, Mónica ; Jäger, Gerhard Abstract Publication: PLoS ONE Pub Date: March 2012 DOI: 10.1371/journal.pone.0033171 Bibcode: 2012PLoSO...733171G