Measurement of price change is based on averages - also, hedonic price index numbers. As NSIs obtain scannerdata having varying content, question arise: what is correct average to use? We compare in this paper price change estimates based on most known averages and index numbers including...

Discussion of the GEKS method is spreading in Europe and globally. Many NSO’s are already testing the GEKS and other multilateral methods or are aiming to test these newly proposed methods. But what about the documentation that clarifies how to implement new method to the calculation of the...

Differences between chain and base methods (or strategies) are analyzed. This is a preliminary paper that concentrates on numerical results and new ideas. Omitted proofs will appear in later papers. As in title, we use the term circular or chain error. We do not use milder terms as drift or...

The price index for dwelling rents in Finland have been measured from data that is collected in connection with the Labour Force Survey (LFS). The construction of index series is based on the base strategy with log-Laspeyres as the index number formula. Some problems have emerged: First, the...

Statistics Finland has relatively long experience in constructing indices of prices of old flats using the hedonic approach where regression analysis and classification of flats (i.e. stratification) are combined. Practically this means: First the price model is based on the fixed effect model...