opportunities and threats of a firm

Opportunities/threats for firm with aa product business model 1. What are the opportunities and threats of a firm which employs a single or dominant product business model? 2. Compare and contrast cost leadership, differentiation, rapid response, and focus opportunities. When would each approach work best? Worst? 3. What are the opportunites and threats of a single product/dominant product firm in emerging industries, transition industries, mature, declining, and fragmented industries? 4. Cite examples of single/dominant product firms, their competitive strategy, and why that strategy fits or does not fit their industry life cycle.