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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Economic costs of production differ from accounting costs in that
A) economic costs include expenditures for hired resources while accounting costs do not. B) accounting costs are always larger than economic cost. C) accounting costs include expenditures for hired resources while economic costs do not. D) economic costs add the opportunity costs of a firm using its own resources while accounting costs do not.
Over the 1980s
A) there is no question that a large increase in U.S. foreign assets did occur. B) there is a question whether a large decrease in U.S. foreign assets did occur. C) there is no question that a large decrease in U.S. foreign assets did occur. D) there is no question that there was almost no change in U.S. foreign assets. E) there is no question that rising exports exceeded U.S. foreign debt.