Definition: All-seasonal estimation
Means the estimation of a price for a product-offer of a product that is out-of-season so that:
- in the first month of the out-of-season period, the estimated price is equal to a typical price observed in the previous in-season period, and,
- from the second month, the estimated price is equal to the estimated price for the preceding month, adjusted by the change in observed prices on average over all available products in the same subdivision of COICOP/HICP.
European Union, Commission Regulation (EC) No 330/2009 of 22 April 2009 laying down detailed rules for the implementation of Council Regulation (EC) No 2494/95 as regards minimum standards for the treatment of seasonal products in the Harmonised Indices of Consumer Prices (HICP)