Answer: D.
firms that can reduce pollution only at high cost will be willing to pay the most for the pollution permits.
Explanation: Tradable pollution permits are so-called cap and trade schemes. They give companies a legal right to pollute a certain amount per fixed time span. Firms that pollute less can then sell their leftover pollution permits to firms that pollute more. Credits are traded within defined trading areas.
Pollution permits, e.g. carbon trading schemes where firms are given the right to pollute a certain amount; these permits can be traded with other firms. Regulation. Limits on a number of pollutants that can be discarded into the atmosphere.
Answer:
We can assume companies form country A export to country B. Country B's economy is very large and many domestic and foreign firms compete in it. High levels of competition will eventually lower the costs of products sold in a market, so the products sold in Country B have relatively low prices.
In order for foreign companies to compete in country B's market they must have low prices. So companies from country A will sell its products in country B at low prices, increasing the possibility that the price of their exports are lower than their domestic prices (prices for their own country). Therefore the chance for a dumping accusation increases.
Open market operations involve buying and selling securities to influence the money supply. The correct answer is C.