In early 2012 the price of computer hard disc drives rose. In a demand and supply model, shifts in what curve or curves could have brought about the higher price?
What will be an ideal response?
The higher price could have been brought about by an increase in demand, a decrease in supply, or the combination of an increase in demand combined with a decrease in supply. Hence the higher price could have been the result of a rightward shift in the demand curve, a leftward shift in the supply curve, or a combined rightward shift of the demand curve and leftward shift of the supply curve.
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Critics of Douglass North's "market opportunity response" model suggest that surges in land sales in the Old Northwest in the 1810s, 1830s and 1850s were due to
a. improved transportation between the Old Northwest and the Northeast. b. rising prices for hogs. c. a reduction of British interference. d. pervasive land speculation.
Which of the following is not a characteristic of perfect competition?
a. Firms and consumers all have perfect information about the good and market. b. Sellers can enter the market easily. c. All goods sold are identical. d. All consumers have identical individual demand curves.