We present a family of formal expansions for the density function of a general one-dimensional asymptotic normal sequence Xn. Members of the family are indexed
In testing statistical hypotheses, as in other statistical problems, we may be confronted with fuzzy concepts. This paper deals with the problem of testing hypo
The concept of cointegration is widely used in applied non-stationary time series analysis to describe the co-movement of data measured over time. In this paper