Lucy buys only magazines and CDs. Both are normal goods. Lucy's income decreases, but the prices of magazines and CDs do not change. Marginal utility theory predicts that Lucy will ________.
A) buy fewer magazines and fewer CDs
B) substitute magazines for CDs
C) increase her marginal utility from both magazines and CDs by buying more magazines and CDs
D) buy more magazines and more CDs
Question 2
The short-run market supply curve is
A) the sum of the quantities supplied by all the firms.
B) undefined because the number of firms is constant in the short run.
C) vertical at the total level of output being produced by all firms.
D) horizontal at the current market price.
Atmospheric pressure decreases as altitude increases.
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
p53 (normal cell vs tumor cell)
Atmospheric pressure decreases with increase in altitude.
Normal (emmetropic) eye
The obese (ob) mouse mutant, shown on the left (a normal mouse is on the right), has provided many c