Gross revenue minus explicit costs equals
A) accounting profit. B) implicit cost. C) opportunity cost. D) economic profit.
A
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During the 20th century, the highest savings rates in the U.S. were observed during
A) the Great Depression. B) World War II. C) the late 1980s and 1990s. D) none of the above.
Dorothy lives in a city with high air pollution. Pollution is a bad, but she is able to avoid air pollution by wearing a face mask. Her preferences are given by
U(q1,q2 ) = (q1 - P)2q22 where q1 is the amount of time she spends wearing a mask, P is the amount of pollution and q2 is a composite of other goods (p2 = 1 ). Dorothy must decide how much to wear a mask and how much q2 to purchase. The price of masks is pM. Assume q1* > P when answering this question. a. Derive Dorothy's demand for masks, q1*(p1,Y, P) b. How does the quantity of pollution affect the demand for masks? That is, find q1*/P. c. How does her income influence the quantity of masks she purchases? That is, find q1*/Y. d. What condition must hold for the assumption q1* > P to hold?
If the marginal propensity to save (MPS) is 0.1, the multiplier will be
A) 0.1. B) 1. C) 5. D) 10.
Albert's Pretzel Baking Company used to have four workers who were each in charge of making their own pretzels from start to finish. Now, one worker mixes the dough, another shapes it, the third puts the unbaked pretzels into the oven and the fourth removes the finished product. Output has doubled. This is an example of
A) neutral technical change. B) labor-saving technical change. C) division of labor. D) economies of scale.