In the pre-World War I period, the United Kingdom exported mainly

"Because the nominal interest rate is the opportunity cost of holding money, the supply curve of money slopes downward." Is the previous statement correct or incorrect?

What will be an ideal response?

For a firm in monopolistic competition, selling costs

A) increase costs and reduce profits. B) always increase demand. C) can change the quantity produced and lower the average total cost. D) can lower total cost. E) have no effect on the quantity sold.