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WORKSHOP ON SCANNER DATA Geneva 10 May 2010

WORKSHOP ON SCANNER DATA Geneva 10 May 2010. Introduction Jan de Haan (Statistics Netherlands). Aim of workshop. Exchange of information Emphasis on practical aspects Four countries will present their experiences with scanner data Active participation of audience will be appreciated.

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WORKSHOP ON SCANNER DATA Geneva 10 May 2010

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  1. WORKSHOP ON SCANNER DATAGeneva10 May 2010 Introduction Jan de Haan (Statistics Netherlands)

  2. Aim of workshop • Exchange of information • Emphasis on practical aspects • Four countries will present their experiences with scanner data • Active participation of audience will be appreciated

  3. Programme • Introduction • Presentations • Switzerland and Sweden • Break • Presentations • Norway and The Netherlands • Discussion

  4. What is scanner data? • Scanner data: • Database with quantities sold and corresponding value aggregates generated by electronic points of sale • For each individual item • Per day / week / month • For each individual outlet • Aggregated over all outlets of chain

  5. Why collect scanner data? • Advantages to be achieved: • Higher quality of price indexes due to • enormously increased number of price observations • price and quantity information available in real time • Lowering the response burden • Efficiency gains

  6. How to use scanner data? • Substitute for existing field survey • Same amount of prices is observed • No change in methodology • Full scale use • Prices and quantities of all transactions are used • Change in methodology

  7. Questions to be answered • What kind of methodology in case of full scale use? • For which branches of trade is scanner data (not) useful? • Can the process be efficient? • Is a new IT-system necessary? • How to deal with all kind of pecularities of data?

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