In the personal computer (PC) market in the first half of 2008, Hewlett-Packard maintained its worldwide No. 1 ranking at a market share of 19.1 percent
Dell's market share was 16 percent and Acer held onto third place with a 9.5 percent share, and Lenovo maintained fourth place, with a 7.9 percent share. What is the four-firm concentration ratio in the PC market?
A) 60.3
B) 52.5
C) 45
D) 36.5
B
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The Endangered Species Act has
A) caused a loss of economic activities on some private land. B) saved all endangered species without affecting anyone. C) further reduced the number of endangered species. D) had no impact on either the number of endangered species or other economic activities.
How short is the short-run production period?
If a determinant of demand other than price changes, the demand curve shifts
a. True b. False Indicate whether the statement is true or false
The federal government and many state governments gave tax credits to first-time home buyers in 2009 and 2010. An effect of these tax credits was to
A) make the price of houses higher than they would have been without the tax credit. B) lower house prices. C) shift the demand curve for houses leftward. D) b and c E) none of the above