摘要：
This paper investigates the decision making of firms with two different
objectives – profit maximization and sales maximization, and
compares their responses when encountering a higher per unit production
cost or if per unit tax is imposed. The discussion in this paper
is a follow up of Li and Yao [1], except in this case, a more comprehensive
literature review is provided, and a very restricted result previously
proposed has been substantially expanded to a few more general propositions.
