Suppose you  provide consulting services on price-setting strategies to a number of  airline companies.  Please respond to the following questions based on  the lecture concepts of this week.
 a) In what way the "game theory" can be a useful optimization tool in making pricing decisions by airlines?
 b) Critically discuss at least two price-setting strategies that  are commonly used by airline companies and predict the impacts of such  pricing methods on the demand for seats and the firm's profits.