Research Article

Economic Policy Uncertainty and Conditional Dependence between China and U.S. Stock Markets

Table 3

ARCH test results for the SSEC index and S&P 500 index returns.

NameValueStandard errort statistic value

SSECConstant1.1105e − 063.2666e − 073.39970.0007
ARCH (1, 1)0.060330.003716.48604.6519e − 61

S&P 500Constand2.7209e − 064.0015e − 076.79971.0482e − 11
ARCH (1, 1)0.13990.008516.39102.2015e − 6