Evolving and Broadening of Concept of Strategy Michael Porter's Competitive Strategy represented a major breakthrough and this IO-based framework provided the main lens through which the issues and challenges of strategy were viewed. In the late 1980's,Grey Hamel and C.K.Prahalad proposed the approach to resource-based view of strategy,with the concept of core competency and strategic intent. On the second half of the 1990's,another set of ideas come to the fore-essentially focusing on innovation as thethe core of strategy.The advocates of those ideas include Rich D'aveni(hyper-competition),Kathy Eisenhardt (competing on the edge),Chan Kim (value innovation),Costas Markides (strategic innovation),etcEvolving and Broadening of Concept of Strategy ’ Mic hael Po r ter’s Competitive Strategy represente d a major bre akth roug h and t his I O-base d f ramework p rovided the m ain lens through which the issues and challenges of strategy were viewed. ’ In the late 1980’s, G rey Hamel and C.K.Prahalad pro p o sed the a p p roach to resou rce-ba s e d view of strategy, with the con c e pt of core competency and strategic inten t. ’ On the seco n d half of the 1990’s, ano ther set of ide as come to the fore – essentially focusing on inn ovation as the the core of strategy. The advo cates o f tho s e ideas include Rich D’ave ni (hyp er-competition), Kathy Eisenhardt (competing on the edge), Chan Kim (value innovation), Costas Markide s (strategic inn ovation), etc