This paper employs the mixed frequency vector autoregression (MF-VAR) to discuss the causal link between crude oil dependence and military expenditure in China. The empirical results demonstrate that the crude oil dependence Granger causes military expenditure and accounts for 66.8% of the...

China's fiscal decentralisation system has led to the increase of local governments' independent decision-making power, which promotes to the optimisation of industrial structure and has an impact on energy efficiency. This study analyzes the social network of energy efficiency based on gravity...

With the control of the cryptocurrency market in environmental protection, investors pay attention to the risk conduction mechanism between energy consumption and the Bitcoin market. This paper applies quantile connectedness to analyse the overall situation and dynamic evolution of information...