Table 1.

Variable measurement and data sources

Variable	Acronym	Measurement	Data source
Energy transition	ET	Contribution of renewables to total power generation (%)	IEA
Governance	GOV	Governance Index comprising corruption control, government effectiveness, rule of law, political stability, regulatory quality and voice and accountability	WGI
Environmental related taxes	ERT	Environmental tax such as on emissions to energy sources, air, water, autos, garbage, and so on	OECD
Economic growth	GDP	Gross Domestic Product (constant $=2015)	WDI
Industrialization	IND	Industry value added (% of GDP)	WDI

IEA stands for International Energy Agency, WGI for World Governance Indicators, OECD for Organization for Economic Cooperation and Development, and WDI for World Development Indicators