Built on the location model, this paper studies the rivalry of two firms in an industry through two-part tariffs. It is found that kinky profit functions are responsible for the coincidence of imperfectly competitive equilibrium and cartelization outcome. A duopoly likely results in higher entry...

It has been argued that research on market efficiency should be evaluated in terms of whether it improves our ability to predict the time series of security returns. Much recent work has addressed the issue of the presence of long memory components in stock prices because of the controversial...

Since an analysis of seasonal fluctuation appeared to shed light on the nature of business cycles, testing for seasonal pattern in time series has been given considerable attention in the recent literature. It is also well-known that many economic and financial time series exhibit strong...

This paper investigates the relationships among real, monetary and financial variables in the Australian economy using seasonally unadjusted monthly data series spanning the period January 1978 to June 1994.

This paper investigates whether or not the LM techniques proposed to test the null hypothesis of linearity against GARCH, bilinear (BL) and Joint GARCH-BL alternatives separately, have desirable finite sample properties. The result of a Monte carlo simulation study show that their sizes are...