Identify how changes in the external environment affect the OM strategy for a company. For​ instance, discuss what impact the following external factors might have on OM​ strategy:
​a) Major increases in oil prices.
​b) Water- and​ air-quality legislation.
​c) Fewer young prospective employees entering the labor market.
​d) Inflation versus stable prices.
​e) Legislation moving health insurance from a pretax benefit to taxable income.
​a) Select all of the correct impacts that major increases in oil prices might have on OM strategy below. ​(Check all that​ apply.)

A. For the energy inefficient​ company, change in the cost​ structure, result in higher selling prices.
B. For the energy inefficient​ company, change in the competitive position.
C. For a producer with high energy​ costs, change in the cost​ structure, result in higher selling prices.
D. For a producer with high energy​ costs, change in the competitive position.