What do economists call the highest amount a consumer will pay to purchase a good?

When a good suddenly becomes more scarce in a free market, caused by a significant increase in consumer demand, then

A) it is a clear sign that households have become more greedy. B) the price will tend to rise rapidly in light of the greater scarcity. C) suppliers will gain in the exchange and buyers will lose. D) the law of demand will be contradicted because people will be buying more, not less, at a higher price. E) all of the above are true.

The DD schedule shows all combinations of which 2 variables so that the output market is in equilibrium?

A) imports and exports B) exports and the exchange rate C) foreign prices and the exchange rate D) output and the exchange rate E) output and exports