Guo, Shaojun; Ling, Shiqing; Zhu, Ke - Volkswirtschaftliche Fakultät, … - 2013
Testing causality-in-mean and causality-in-variance has been largely studied. However, none of the tests can detect … causality-in-mean and causality-in-variance simultaneously. In this article, we introduce a factor double autoregressive (FDAR …) model. Based on this model, a score test is proposed to detect causality-in-mean and causality-in-variance simultaneously …