Based on United States Census Bureau data for 2017, for the utilities (electricity and gas) industry the four firm concentration ratio (C4) is 16.2 percent and the Herfindahl- Hirschman index is 161.4. Why might the actual concentration, and therefore market power enjoyed by a specific utility company in a state, be greater than what is indicated by these numbers? These ratios are calculated for the entire country, and not for a specific city or state. Please give an explanation.
Based on United States Census Bureau data for 2017, for the utilities (electricity and gas) industry the four firm concentration ratio (C4) is 16.2 percent and the Herfindahl- Hirschman index is 161.4. Why might the actual concentration, and therefore market power enjoyed by a specific utility company in a state, be greater than what is indicated by these numbers? These ratios are calculated for the entire country, and not for a specific city or state. Please give an explanation.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Based on United States Census Bureau data for 2017, for the utilities (electricity
and gas) industry the four firm concentration ratio (C4) is 16.2 percent and the Herfindahl-
Hirschman index is 161.4. Why might the actual concentration, and therefore market power
enjoyed by a specific utility company in a state, be greater than what is indicated by these
numbers? These ratios are calculated for the entire country, and not for a specific city or state.
Please give an explanation.
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