An industrys key success factors a. are a function of market share, entry barriers, economies of scale, experience curve effects, and industry profitability. b. vary according to whether an industry has high or low long-term attractiveness. c. consist of the three or four biggest determinants of financial and competitive success in an industry and, thus, point to the things any firm in the industry must be competent at doing or concentrate on achieving. d. can be determined from studying the winning strategies of the industry leaders and ruling out as potential key success factors the strategy elements of those firms considered to have losing strategies. e. depend on the relative competitive strengths of the industry leaders and how vulnerable they are to competitive attack.