How can we explain the emergence of a language which benefits the hearer but not the speaker

Tipo Pubblicazione: 
Articolo
Author or Creator: 
Mirolli M.
Parisi D.
Publisher: 
Carfax Publishing,, Abingdon (P.O.Box 25, Abingdon, Oxfordshire OX14 3UE) , Regno Unito
Source: 
Connection science (Print) 17 (2005): 307–324.
info:cnr-pdr/source/autori:Mirolli M., Parisi D./titolo:How can we explain the emergence of a language which benefits the hearer but not the speaker/doi:/rivista:Connection science (Print)/anno:2005/pagina_da:307/pagina_a:324/intervallo_pagine:307–324/vol
Date: 
2005
Resource Identifier: 
http://www.cnr.it/prodotto/i/46781