Nonlinear Granger causality test for Volatility of Bitcoin based on the Parkinson volatility estimator and Bitcoin-based energy consumption.

Nonlinear Granger causality test for Volatility of Bitcoin based on the Parkinson volatility estimator and Bitcoin-based energy consumption.基于帕金森波动率估计量（Parkinson volatility estimator）与比特币能耗的比特币波动率非线性格兰杰因果检验（Nonlinear Granger causality test）