Comparing firms in perfectly competitive markets to monopoly firms, which charges a price equal to marginal cost?

Collective bargaining can:

A) makes it easier for workers outside a union to get jobs. B) increase profitability of firms. C) reduce wages. D) increase unemployment.

Yield management and price discrimination have enabled firms to increase profits and, at the same time

A) reduce transactions costs. B) capture some consumer surplus. C) reduce the cost of production. D) transfer some producer surplus to consumers.