This paper investigates whether stock-price indices of seventeen emerging markets can be characterized as random walk (unit root) or mean reversion processes.

Consider the model yi = x'i[beta]0 + ei, I = 1,...,n. Under very weak conditions on the error distributions, it is shown that is a necessary conditions for the weak consistency of a minimum L1-norm estimate of [beta]0, which cannot be further improved.

Early models of bankruptcy prediction employed financial ratios drawn from pre-bankruptcy financial statements and performed well both in-sample and out-of-sample. Since then there has been an ongoing effort in the literature to develop models with even greater predictive performance. A...

This paper investigates how to estimate the likelihood of a customer accepting a loan offer as a function of the offer parameters and how to choose the optimal set of parameters for the offer to the applicant in real time. There is no publicly available data set on whether customers accept the...

Globalisation presents business organisations with some special challenges that they have never met before; they have to manage their activities in the ambit of global supply chain networks. Traditional managerial approaches, techniques and principles are no longer effective in dealing with these...