When a firm has developed a series of attributes that collectively define product excellence, what have they achieved? economies of scale differentiation Six Sigma total quality management Why is innovation often considered to be the most important source of competitive advantage? New products will better satisfy customer needs. Fewer attibutes wi be needed. It is aifficult for sompetitors to copy A premianpscecan becharged. for most organ zations, how can innovation lead to superior profitability and competitive advantage? through improved quality through a reduced cost structure throughless need for alferentation through new product aun shes