Cultures isolated by topographical barriers are characterized by slower cultural change

Which of the following is a concern of some economists regarding regional integration?

a) The benefits of regional integration are determined by the extent of trade diversion. b) The benefits of regional integration may have been oversold, while the costs have been ignored. c) A regional free trade agreement will benefit the world only if the amount of trade it diverts exceeds the amount it creates. d) The costs of regional integration will be exceedingly high with little chance that the benefits will outweigh the costs.

With reference to the different types of markets, compare pure competition with monopolistic competition

What will be an ideal response?