?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Discrete+conventional+signalling+of+a+continuous+variable&rft.creator=Enquist%2C+Magnus&rft.creator=Ghirlanda%2C+Stefano&rft.creator=Hurd%2C+Pete+L.&rft.subject=Decision+Theory&rft.subject=Ethology&rft.subject=Animal+Cognition&rft.subject=Evolution&rft.subject=Comparative+Linguistics&rft.subject=Theoretical+Biology&rft.subject=Animal+Behavior&rft.description=In+aggressive+interactions%2C+animals+often+use+a+discrete+set+of+signals%2C%0Awhile+the+properties+being+signalled+are+likely+to+be+continuous%2C+for+example%0Afighting+ability+or+value+of+victory.+Here+we+investigate+a+particular+model%0Aof+fighting+which+allows+for+conventional+signalling+of+subjective+resource%0Avalue+to+occur.+The+result+shows+that+neither+perfect+nor+no+signalling+are%0Aevolutionarily+stable+strategies+(ESSs)+in+the+model.+Instead%2C+we+find+ESSs+in%0Awhich+partial+information+is+communicated%2C+with+discrete+displays+signalling%0Aa+range+of+values+rather+than+a+precise+one.+The+result+also+indicates+that%0Acommunication+should+be+more+precise+in+conflicts+over+small+resources.%0ASignalling+strategies+can+exist+in+fighting+because+of+the+common+interest%0Ain+avoiding+injuries%2C+but+communication+is+likely+to+be+limited+because+of%0Athe+fundamental+conflict+over+the+resource.+Our+results+reflect+a+compromise%0Abetween+these+two+factors.+Data+allowing+for+a+thorough+test+of+the+model+are+lacking%3B+however%2C+existing+data+seem+consistent+with+the+obtained+theoretical+results.&rft.date=1998&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F5278%2F1%2Fenquist_ghirlanda_hurd1998.pdf&rft.identifier=++Enquist%2C+Magnus+and+Ghirlanda%2C+Stefano+and+Hurd%2C+Pete+L.++(1998)+Discrete+conventional+signalling+of+a+continuous+variable.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F5278%2F