equilibrium theory. Consider, for instance, the case of the efficiency of forward exchange rates vis-a-vis spot rates. Depending …

Suitable methodology and an asymptotic theory for the sequential analysis of time-to-event (duration) data is developed … on martingale theory. Instead a modern empirical process theory is used to deal with the underlying two …-dimensional character of the problem. A very general treatment of the large sample theory with minimum technicalities is made developed. …