This document outlines generic business level strategies and the value chain activities that are common for pursuing a cost leadership or differentiation strategy. It discusses four generic business level strategies - cost leadership, differentiation, focused low cost, and focused differentiation - defined by their source of competitive advantage and target market scope. For a cost leadership strategy, the key is achieving the lowest costs in the industry. Common value chain activities include efficient scale, process technology investments, and minimizing overhead. For a differentiation strategy, the focus is on creating unique product attributes that allow premium pricing. Common activities include new product R&D, quality control, and customer service. The document notes effective strategies can remain profitable even in unattractive industry environments.