In modern economies services are dominant. As the role of services is increasing, the difference between goods and services is vanishing, but most of our economics and business knowledge is developed from a manufacturing perspective which is no more satisfactory in the new service economy...

Using adequate composite indicators, indeed together with other specific models, to analyse high frequency time series and to obtain sort-term forecasts can improve information for business environment, in modern era characterised by an accelerate process of changing. In our study we tried to...