Pass-Through as a Test for Market Power: An Application to Solar Subsidies
We formalize pass-through over-shifting as a simple yet under-utilized test for market power. We apply this test in the market for solar energy. Specifically, we estimate the pass-through of solar subsidies to solar system prices using rich micro-level transaction and subsidy data from California. Buyers of solar systems capture nearly the full subsidy, while there is more-than- complete pass-through to lessees. We conclude that solar markets are imperfectly competitive by ruling out alternative explanations for over-shifting, and reinforce this conclusion with a test of solar demand curvature. This procedure can serve to detect market power beyond the solar market.
Document Object Identifier (DOI): 10.3386/w23260
Published: Jacquelyn Pless & Arthur A. van Benthem, 2019. "Pass-Through as a Test for Market Power: An Application to Solar Subsidies," American Economic Journal: Applied Economics, vol 11(4), pages 367-401.
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