Producer price indices volume 2002, Supplement 2
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- Frequency No. products No. enterprises No. prices
- Price collection methods
Frequency
No. products No. enterprises No. prices Canada M 980 About 3 000 9 000 Mexico M 626 1 500 20 000 United States M 3 200 25 000 100 000 Australia Q 340 750 7 000 Japan* M 971 1 280 3 367 Korea M 949 .. 4 000 New Zealand Q .. 3 000 13 000 Austria M 373 270 1 630 Belgium M 1 096 280 .. Czech Republic M 5 656 1 250 .. Denmark M 1 680 1 000 5 000 Finland M 1 333 800 .. France M .. 4 200 24 000 Germany M 1 718 6 500 13 000 Greece M 906 .. 3 150 Hungary M 800 1 400 6 800 Iceland M .. .. .. Ireland M .. 800 .. Italy M 1 034 3 680 12 000 Luxembourg M 1 360 125 .. Netherlands M 3 695 5 529 27 350 Norway* M 2 800 800 .. MEI Methodological Analysis - Supplement 2 © 2002 80 Table 19: Producer prices: Summary information on data collection (continued) Frequency No. products No. enterprises No. prices Poland M 19 000 3 600 48 000 Portugal M 500 2 498 12 335 Slovak Republic M 2 900 440 2 900 Spain M 869 6 000 20 000 Sweden M 1 850 1 500 2 300 Switzerland M 1 500 1 600 8 500 Turkey M 678 1 287 5 176 United Kingdom M 1 400 3 500 9 000 ..: metadata are not available Price collection methods Prices are usually collected using a variety of methods, such as: • personal visit to outlet, recording prices on paper or electronically. This is rare although personal visits are strongly recommended during establishment recruitment and product/transaction selection; • paper form sent by mail or fax. This is the most common method; • electronic form sent by e-mail or on floppy disk; • telephone call to establishment. It is frequently the case that index compilers need to call the data provider to validate prices; • prices observed in catalogues/brochures. This is not recommended since actual transaction prices should be recorded, not list prices. By far the most widely used method involves paper forms sent to establishments, where descriptions and prices are recorded on the forms. In some countries, prices for the previous period remain on the form so that corrections can be made if necessary, whereas other countries send forms with no previous data to discourage any copying forward of prices. It is essential that the form contains full product and transaction specifications each month and careful instructions to the respondent on how to proceed if any of the specifications change. In countries where the national statistical institute has regional offices, the price collection is usually administered by the regional offices. However, it is essential that the process be closely managed from head office. An efficient communication network should be in place to keep collectors up to date with any special circumstances each month. Regional staff should receive training at least annually – to meet other collectors and discuss common problems, e.g. selecting replacement varieties, to be taught about any new procedures and to learn about new products and their characteristics. |
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