If increasingly more units of good Y must be given up as each successive unit of good X is produced, then the PPF for these two goods is

If increasingly more units of good Y must be given up as each successive unit of good X is produced, then the PPF for these two goods is

If increasingly more units of good Y must be given up as each successive unit of good X is produced, then the PPF for these two goods is


a. a downward-sloping straight line.
b. circular.
c. an upward-sloping curve.
d. a downward-sloping curve that is bowed outward.
e. a downward-sloping curve that is bowed inward.


ANS: D