On the contrary, if there are high barriers to entry and low contestability, incumbents will always abuse their market power and incur some kinds of efficiency losses.

如果市场进入壁垒很高，市场可竞争程度很低，在位厂商可以免受竞争的压力，因而往往滥用市场势力，造成种种效率损失。

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That would help compensate for those efficiency losses during the generation process.

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Large losses in efficiency come when people are limited in their ability to finance good investment opportunities.

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Each stage of converting and transmitting power results in a loss of efficiency, but with technological improvements these losses are being reduced.

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