please define right answer for column in order to left column by the number

match the definitions with the words ~ anything which artificially l prevents the entry of firms into an industry ' when a firm produces at l an output level that is smaller than the output level at minimum average total cost ' the difference between l the price the firm charges and the marginal cost of production an industry in which 1 l average total costs decrease as output 2 price discrimination constant cost industry increases ~ a technique used to 3. collusion l analyze the behavior of decision makers who 4. barriers to entry anticipate the moves of other decision makers 5- rent SEEHHE '' a firm with no control over . l the price set by the '5- once taker market Y. game theory '~ when resources are used l to secure rights through 3 mark up the political process '~ measures the degree of 9. concentration ratio l market power in an industry 10. decreasing cost industry the seller charges different prices fora product, not 11' EXCESS capacity reflective of cost differences 12. natural monopoly ' a single firm can supply l the entire market at a reflective of cost 12. differences a single firm can supply the entire market at a lower cost than two or more smaller firms an agreement among rival firms in an industry to set the price and output of a product an industry in which average total costs do not change as industry output increases natural mo nopolv Page 1 of 3