The emissions trading scheme (ETS) has become a flagship climatic initiative for regulating greenhouse gas (GHG) emissions. Under an ETS, the emitting firm must simultaneously deal with changing carbon prices and the number of permits and the trade-off between permit trading (if one should buy,...

This study uses complex network analysis to investigate global stock market comovement during the black swan event of the Coronavirus Disease 2019 (COVID-19) pandemic. We propose a novel method for calculating stock price index correlations based on open-high-low-close (OHLC) data. More intraday...