Open AccessEstimates of the Value of Patent Rights in European Countries During thePost-1950 Period
Author(s) -
Mark Schankerman,
Ariél Pakes
Publication year - 1985
Language(s) - English
Resource type - Reports
DOI - 10.3386/w1650
Subject(s) - period (music) , value (mathematics) , geography , international trade , economics , statistics , mathematics , art , aesthetics