Q1. For each of the three industries, identify one external environmental factor (i.e., a PESTEL factor) that is important and briefly discuss how that factor affects that industry. The factors need not be the same for all industries.

Q2. Choose the following two of the Porter's five forces: within-industry rivalry and buyer bargaining power. Then, compare each of those forces across the three industries. The answer explicitly discuss the differences in the intensity of those forces as well as the key underlying reasons for the differences in the intensity. In the case of buyer bargaining power, make sure to state who the buyers are.

Industries to Analyze

1. Petroleum Refining

1. Semiconductor Manufacturing

1. Taxi Services in the U.S.