Between the data lag and the legislative lag falls the __________ lag

A production possibilities frontier with a bowed-outward shape indicates

A) the possibility of inefficient production. B) constant opportunity costs as more and more of one good is produced. C) increasing opportunity costs as more and more of one good is produced. D) decreasing opportunity costs as more and more of one good is produced.

Which of the following statements is correct?

A. The United States' combined exports and imports are smaller absolutely, but larger as a percentage of GDP, than other nations'. B. A number of other nations have exports and imports that are absolutely larger than those of the United States. C. The United States' combined exports and imports are absolutely larger than any other nation's, but the exports and imports of many other nations are a larger percentage of their GDPs. D. The United States' combined exports and imports are larger absolutely and as a percentage of GDP than any other nation's.