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European investment in renewable energy sources (billion U.S. dollars) and crude oil prices (Brent, U.S. dollars per barrel), 2005–2018. Sources: FS–UNEP Centre and BNEF (2019); BP (2020); OECD Data (https://data.oecd.org/gdp/investment-gfcf.htm). |
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| Part of: Grigoryev LM, Medzhidova DD (2020) Global energy trilemma. Russian Journal of Economics 6(4): 437-462. https://doi.org/10.32609/j.ruje.6.58683 |