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Cost trajectories for CFLS


As the market share of compact fluorescent light bulbs (CFLs) has increased, their retail price has decreased more than 75% thanks to “learning curves.”

Learning curves are a simple mathematical way to describe how manufactured products and a wide range of services get cheaper as you make more of them.


EnergyStar. 2009. CFL Market Profile. March. U.S. Department of Energy. link

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