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The solar photovoltaics (PV) industry would not exist without government policies. Governments around the world have implemented policies to support consumption of solar energy and production of solar PV products. These policies have varied across countries and across time, thus contributing to regulatory uncertainty. This article addresses two related questions. First, how does regulatory uncertainty in the solar PV industry shape firms' market and non-market strategies? Second, how might firms' responses to this public-policy environment affect technological development and the locus of manufacturing? Government policies on solar PV, and firms' strategies to overcome regulatory uncertainty, may have unintended consequences. Firms' decisions on location and technology development may result in loss of employment and national competitiveness for developed countries; and firms' market strategies may increase regulatory uncertainty if they do not involve non-market stakeholders.

New research suggests that Chinese companies' price advantage comes not from low-cost labor but from massive government subsidies. That finding has major implications for foreign firms that compete with, or source from, those companies.