1 School of Management, China Institute for Studies in Energy Policy, Collaborative Innovation Center for Energy Economics and Energy Policy, Xiamen University, Xiamen, China 2 Belt and Road Research ...

For just over a decade, physicists have been studying a strange phenomenon in the quantum world. At very small scales, it seems that the temporal order of different events may not always be ...

Thereupon, we reveal the mechanism of source consistency in Granger causality (GC), that is, the root cause variable provides the most significant predictive information in both time and frequency ...