Explain why some researchers conclude that Americans are becoming more obese because of the existence of fast-food restaurants. If fast-food restaurants have been around for over 50 years why is the trend toward obesity only a recent one? Explain
What will be an ideal response?
Essentially fast-food restaurants have become more prolific. The costs has fallen dramatically and coupled with their convenience and proximity to neighborhoods in both urban and suburban areas this has lowered the opportunity cost of eating out.
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If MPC = 0.75, a $40 billion decrease in government purchases would have what size effect on the "first round" of induced added consumption? a. It would increase first round consumption by $30 billion
b. It would increase first round consumption by $40 billion. c. It would increase first round consumption by $120 billion. d. None of the above; the first round effect would be a decrease in consumption.
The supply curve shows
a. the same basic information as the demand curve. b. who will have an opportunity to produce or purchase an item. c. the quantity produced as a function of the price. d. plots of what quantities have been sold over the past few weeks or months.
Invention and innovation are not the same thing. ______ are useless until _______ transforms them into goods and services that people find valuable.
Fill in the blank(s) with the appropriate word(s).
Refer to the information provided in Figure 8.9 below to answer the question(s) that follow. 
Figure 8.9
Refer to Figure 8.9. If the market price of hay falls to $18, then to maximize profits this farmer should produce
A. 350 bales of hay. B. 500 bales of hay. C. 750 bales of hay. D. a level of output that is indeterminate from this information.