Which of the following is a nonrenewable source of energy?
a. Corn
b. Ethanol
c. Petroleum
d. Bagasse
e. Biomass
c
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Refer to the figure below.________ inflation will eventually move the economy pictured in the diagram from short-run equilibrium at point ________ to long-run equilibrium at point ________. 
A. Rising; A B. Falling; A; C C. Falling; B: C D. Rising; A; C
Suppose sugar and artificial sweeteners are perfect substitutes for Sam. Her indifference curves for those two goods would be
A) downward-sloping and convex to the origin. B) downward-sloping and straight lines. C) L-shaped. D) downward-sloping and concave to the origin.
Which of the following is not an implicit cost?
A) wages B) opportunity cost of using an owner's savings C) owner-provided capital D) owner-provided labor
Development assistance is designed to spur population growth in poor countries
a. True b. False Indicate whether the statement is true or false