This paper investigates the problem of testing that stock returns are uncorrelated without assuming statistical independence. This paper presents a generalized Box-Pierce Q statistics, denoted by Q*, which has an asymptotic chi-square distribution when the times series is uncorrelated provided...

This paper explores how efficiency structures language. It starts from the premise that one of language's central characteristics is to provide a means for saying novel things about novel circumstances, its creativity. As such it is a metaphor for the choice of organizational forms that can cope...