In most developed countries, media markets are dominated by which two types of market structures?   A Perfect competition B Monopolistic competition C Oligopoly D Monopoly

I need only answer no need explanation  Question 1 A kinked demand curve: Select one: a. has a steep section above the business's original price b. is faced by monopolistic competitors c. has three segments d. has a flat section below the business's original price e. is typical of rival oligopolists   Question 2 The shape of the demand curve faced by an individual business in a perfectly competitive market is the result of: Select one: a. mutual interdependence b. advertising c. the business's inability to affect price d. the sale of a product that is distinct from others e. existing entry barriers   Question 3 A business will maximize profits at the output at which: Select one: a. the difference between marginal revenue and price is at a maximum b. the excess of total revenue over total cost is greatest c. price exceeds average cost by the largest amount d. total revenue and total cost are equal e. the excess of total cost over total revenue is greatest   Question 4 A monopolistic…

Question 3:  a.     Explain the difference between and the economic relevance of fixed costs, sunk costs, variable costs, and marginal costs by using specific examples from everyday administrative activities.  b.     By using specific product markets briefly discuss the significant difference among the following market structures: (i) perfect competition, (ii) monopoly, (iii) monopolistic competition, and (iv) oligopoly. c.     Why are externalities, public goods, and information asymmetry major problems in the market? Discuss.

Local gas stations in cities are an example of:   A. monopoly firms   B. monopolistic components   C. oligopoly firms   D. perfectly competitive   E. monopolistic competition