TY - BOOK AU - Porter,Michael E. TI - Interbrand choice, strategy, and bilateral market power T2 - Harvard economic studies SN - 0674458206 PY - 1976/// CY - Cambridge, Mass. PB - Harvard University Press KW - Industrial organization (Economic theory) KW - Consumer's preferences KW - Diversification in industry KW - Supply and demand N1 - Includes index ER -