Final answer:
Vertical integration had no effect on the price of Andrew Carnegie's stew as he did not engage in stew production.
Step-by-step explanation:
The question is regarding the effect of vertical integration on the price of Andrew Carnegie's stew. It seems there may be a confusion in terms here, as vertical integration refers to a business strategy where a company controls multiple stages of the production process, ensuring efficiency and reducing costs. However, Andrew Carnegie was a prominent industrialist known for his involvement in the steel industry, not stew production. Therefore, there is no direct effect of vertical integration on the price of his stew as it is not a business venture that he pursued.
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