This article develops a method of nonlinear modelling for the dividends of the Group of seven (G7) indexes using threshold techniques: Smooth Transition Autoregressive Models (STAR). First, smoothness and nonlinearity are justified by the presence of heterogeneous expectations and companies of...

Focussing on earnings-related rather than different classes of corporate announcements as in Chae (2005), we examine trading volume behaviour and the role played by informed and uninformed investors around routine and nonroutine announcements. Prior to preliminary final earnings announcements,...