Mondal, DebasisGupta, Manash Ranjan2012-01-102012-01-102006Journals of economics,V87,P29-33http://hdl.handle.net/10263/2976enInnovationImitationIntellectual property rightsKnowledge capitalNorth-south economic growthSteady-state growth equilibriumWelfareInnovation, imitation and intellectual property right : A note on helpman's modelArticle