Grey system theory can powerfully deal with incomplete and uncertain information. In this paper, we introduced an improved grey GM(1,1) model that integrates residual modification with Markov chain model. By this model, we improved the forecast accuracy of original grey forecast model and...

Management, as a social science, and Strategic Management, as a specific scientific discipline of this science, require research methodologies that can deal with all of the complexities of the business phenomena to be analysed. Certain circumstances call for methodologies that can combine...

Anlässlich der Fußballweltmeisterschaft 2006 hatte das DIW Berlin zusammen mit der Freien Universität Berlin erstmals den Transfer- Marktwert der Mannschaften als ein einfaches und transparentes Kriterium für die Prognose der Ergebnisse großer Fußball-Turniere vorgeschlagen. Und...

The recent crisis of 2008 has revealed several challenges for the economic science, sparking a considerable amount of debate regarding the profession of economists and the role of macroeconomics and monetary policies. The first question that arose was why there was a lack of anticipation of the...

This paper provides an in-depth study on the history and evolution of Commercial Bank characteristic factors and other Macroeconomic variables on the financial industry performance indices in Nigeria from 1977 to 2010. The work employed a 3-stage procedure in the assessment of Commercial Bank...

Leybourne et al. (1998) have proved the possibility of a `converse Perron phenomenon' when conventional Dickey-Fuller tests are applied to deter-mine the order of integration of a time series. That is, if the true generating process is I(1) but with a break, frequent spurious rejections of the...

This paper analyzes the cost of long-term care (LTC) associated to individuals in dependence situation. The economic cost of care per unit of service is linked to the expected time of needed care and the intensity of required services. We have estimated the expected lifetime cost of LTC in...

Exchange-traded funds (ETFs) exist for stock, bond and commodity markets. In most cases the underlying feature of an ETF is an index. Fund management today uses the active and the passive way to construct a portfolio. ETFs can be used for passive portfolio management, for which ETFs with...

In this paper is carry out an analysis of affinities in the perception on how to leave the crisis behind. For that we have considered the opinion of experts belonging to the politics, the economy, the company and the banking in order to gather those opinions and to look for likeness and...

The Sharpe ratio is a common financial performance measure that represents the optimal risk versus return of an investment portfolio, also defined as the slope of the capital market line within the mean-variance Markowitz efficient frontier. Obtaining sample point and confidence interval...