In this research, applied the DEA method (data envelopment analysis) for a cross-country analysis of the comparative efficiency of government support for coal production in eight countries: The leading producers of coal and lignite, three OECD countries with developed economies (the USA, Germany, and Australia), four BRICS countries with developing economies and emerging markets (China, India, Russia, and South Africa), and Indonesia – the largest producer of coal and lignite in Southeast Asia from 2013 to 2018. | Cross-country analysis of the comparative efficiency of government support for coal and lignite production
