Utilizing the formal linearity test of Luukkonen, Saikkonen and Terasvirta (Biometrika, 75, 491-499, 1998) as diagnostic tool, the empirical finding suggests that the linear autoregressive (AR) model is inadequate in describing the real exchange rates behaviour of 11 Asian economies. It is noted...

This article re-examines the evidence of return predictability for three major US stock indices using two recently developed data-driven tests, namely the automatic portmanteau Box--Pierce test and the wild bootstrapped automatic variance ratio test. In tracking the time variation of return...