Improvements in stratification in the UK's Office for National Statistics Pete Brodie, Martina Portanti & Emily Carless UK Office for National Statistics. Outline. Context The B usiness R egister and E mployment S urvey Stratification Variables Employment Size Measure
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Improvements in stratification in the UK's Office for National Statistics Pete Brodie, Martina Portanti & Emily CarlessUK Office for National Statistics
Why design a new survey (BRES)?
Business Register Survey
Updates the business
“structure of units on the Register must be updated at least every four years”
“structure of multiple Local Units (LUs) enterprises must be updated at least every four years”
Number of LUs
LU variables (SIC, geography, employment)
CURRENT REGISTER has:
Single LU enterprises Multi LU enterprises
2,138,000 LUs 63,000 enterprises