September, , 6th Conference Survey Sampling in Economic and Social Research , Katowice, Poland 8 EUROPEAN REFERENCE FRAME The Survey is part of the Joint Harmonised Business and Consumer Survey (BCS) program of the European Commission The project began 1962 and ISAE (formerly ISCO) was one of the founder member The principle of harmonisation underlying the project aims to produce a set of comparable data for all European countries (EC 2007) To achieve this goal institutes have to: –Use the same harmonised questionnaire –To strictly respect the Commission timetable in carrying on the survey and transmitting the results Institutes are relatively free to define any other aspects of the entire process (apart from a minimum sample size)
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