The standard approaches for dealing with provisional estimates essentially focus on the study and the definition of efficient estimator, exploiting the auxiliary information almost exclusively in the estimation phase. In this paper, we propose an extended appliance of the auxiliary information,...

When the imputed values are treated as if they were observed the precision of the estimates is generally overstated. In the paper three variance methods under imputatation are taken into account. Two of them are the well known bootstrap and Multiple Imputation. The third is a new method based on...

Longitudinal surveys are an invaluable source for analyzing the current state of and changes in human populations over time. However, maintaining the accuracy of estimates from a panel sample becomes more difficult as the length of the panel survey increases. Key concerns are the lack of sample...

The Italian National Institute of Statistics carried out the first survey on homeless population. The survey aims at estimating the unknown size and some demographic and social characteristics of this population. The methodological strategy used to investigate homeless population could not...

One of the highest priority of the European Statistical System is to carry out the industrialisation of production processes of statistical information. Fundamental requirement for the achievement of this objective is to define standards valid for the entire community of official statistics;...