According to the Commission recommendations, ISAE has recently restructured the methodological framework of its survey on firms operating in the Italian construction sector and in retail trade. The innovations specifically regard the sampling design and the weight system for both sectors; this...

The paper presents some first analysis on the ISAE Market Service Survey Series, focusing on the subset referring to Business Services (BS). The aim of the work is to identify the cyclical characteristics of BS series in order to build a confidence indicator that, in our plan, would improve the...

The long and sustained expansion of the nineties has generated, especially in the US, widespread rumours about the “death of the cycle”. Nevertheless, towards the end of the last decade, it became clear that fluctuations of economic activity were far from being extinct. This has contributed...

The aim of this work is to explain and assess the results of the application of the TRAMO-SEATS seasonal adjustment method on the data of the ISAE manufacturing business and consumer surveys. In particular, the study begins by focusing on the description of some of the typical problems of the...

This paper analyses the use of TRAMO-SEATS to seasonally adjust Italian industrial production index. The problem of preliminary transformation of the series is illustrated, together with the way to deal with this issue with TRAMOSEATS. The subject of the revisions and, in general, of the use of...