Pagan, Adrian R.; Sossounov, Kirill A. - In: Journal of Applied Econometrics 18 (2003) 1, pp. 23-46
Bull and bear markets are a common way of describing cycles in equity prices. To fully describe such cycles one would need to know the data generating process (DGP) for equity prices. We begin with a definition of bull and bear markets and use an algorithm based on it to sort a given time series...