A government policy regarding the reduction of state shares in state-owned enterprises (SOE) triggered a crash in the Chinese stock market. The sus- tained depression even after policy adjustments constitutes a puzzle— the so called “state-share paradox.”The empirical evidence shows...

A government policy regarding the reduction of state shares in state-owned enterprises (SOE) triggered a crash in the Chinese stock market. The sus- tained depression even after policy adjustments constitutes a puzzle— the so called “state-share paradox.”The empirical evidence shows...

This paper proposes a class of test procedures for a structural change with an unknown change point. In particular, we consider a general financial time series model with conditional heteroskedasticity. The test statistics are constructed via the empirical distribution approach and are aiming...