?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Feprints.imtlucca.it%2F825%2F&rft.title=Innovation+and+corporate+dynamics%3A+a+theoretical+framework&rft.creator=Growiec%2C+Jakub&rft.creator=Pammolli%2C+Fabio&rft.creator=Riccaboni%2C+Massimo&rft.subject=HB+Economic+Theory&rft.subject=HD28+Management.+Industrial+Management&rft.subject=QA+Mathematics&rft.description=We+provide+a+detailed+analysis+of+a+generalized+proportional+growth+model+(GPGM)+of+innovation+and+corporate+dynamics+that+encompasses+the+Gibrat%E2%80%99s+Law+of+Proportionate+Effect+and+the+Simon+growth+process+as+particular+instances.+The+predictions+of+the+model+are+derived+in+terms+of+(i)+firm+size+distribution%2C+(ii)+the+distribution+of+firm+growth+rates%2C+and+(iii-iv)+the+relationships+between+firm+size+and+the+mean+and+variance+of+firm+growth+rates.+We+test+the+model+against+data+from+the+worldwide+pharmaceutical+industry+and+find+its+predictions+to+be+in+good+agreement+with+empirical+evidence+on+all+four+dimensions.&rft.date=2011&rft.type=Working+Paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Feprints.imtlucca.it%2F825%2F1%2FMPRA_paper_2011.pdf&rft.identifier=++Growiec%2C+Jakub+and+Pammolli%2C+Fabio+and+Riccaboni%2C+Massimo++Innovation+and+corporate+dynamics%3A+a+theoretical+framework.++Working+Paper++%23+%2F2011++++++++(Unpublished)+++&rft.relation=http%3A%2F%2Fmpra.ub.uni-muenchen.de%2F30046%2F