Using threshold autoregressive specifications, this paper extends the Enders and Granger (1998) framework for parametric tests of level asymmetry. In particular it develops bootstrap likelihood ratio statistics to test the symmetry null against sign and amplitude asymmetries or a combination of...

We provide evidence that ex ante misvaluation matters for merger activities in the UK 1986-2002 using a sample of 302 bidders and targets. Sector or long-run misvaluation causes merger firms to be more overvalued than nonmerger firms. Acquirers are overvalued absolutely and relative to targets...