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Comparison with other Statistics New Zealand data

The following tables are provided to compare and contrast the current LEED measures with other Statistics NZ labour market releases. These are the Quarterly Employment Survey (QES), Business Demography Statistics (BDS) and the Household Labour Force Survey (HLFS).

The information provided differs with respect to reference periods, production frequency and the timing of publication after the reference period.

LEED QES BDS HLFS
Frequency Quarterly Quarterly Annually Quarterly
Reference period Counts of jobs at 15th of middle month of reference period.

Full quarter earnings measures.
Snapshot of pay week ending on or immediately before the 20th of the middle month of the quarter - February, May, August, and November. Snapshot once a year at February. Quarterly averages based on responses collected throughout the quarter - March, June, September and December.
Timeliness of publication 12 months after the end of the reference period. Within 13 weeks of the reference date. The last week of October in the year of the reference point. Within 6 weeks after the end of the reference period of the quarter

These releases were developed for different purposes and consequently have varying designs as illustrated in the table below.

LEED QES BDS HLFS
Collection unit Businesses and workers in the tax data and on the BF. This includes some businesses which are not on the BF. Economically significant enterprises with employees in surveyed industries on the BF. Economically significant enterprises on the BF. Households
Statistical unit Jobs and geographic units. Geographic units. Enterprises and geographic units. Individuals and households.
Purpose of the output To measure labour market dynamics. To measure quarterly changes and levels of average hourly and weekly (pre-tax) earnings, average weekly paid hours and the numbers of filled jobs. To produce statistics on changes in the number, type and location of businesses in New Zealand. To provide a comprehensive range of statistics relating to employment, unemployment and people not in the labour force.

Provides Statistics NZ's official employment measures.
Type of collection Integrated data from the tax system and BF obtained for all employees who receive income from employers with tax deducted at source. Sample survey of approximately 18,000 business locations with enterprises on the BF which have employees. Data obtained for all businesses on the BF. Sample survey of approximately 16,000 households in private dwellings.

All working-age persons living in selected households are surveyed.
Sampling errors No Yes No Yes
Non-sampling errors Errors in base data.

Errors resulting from methods
processes.
Inaccurate respondent replies.

Errors in processing.
Inaccurate respondent replies.

Errors in processing.
Biases in the pattern of response and non-response.

Inaccurate respondent replies.

Errors in processing.

All four sources of labour market information have differing measures of employment and varying coverage of both employees and industries.

LEED QES BDS HLFS
Employment measures Employee filled jobs

Job and worker flows.
Filled jobs belonging to employees and working proprietors. Head count of all salary and wage earners for the reference month.
This is mostly employees, but can include working proprietors who pay themselves a wage.
Employed persons including working proprietors (a person with multiple jobs is counted once).
Earnings measures Mean and median full quarter earnings.

Excludes some part employment.

Includes lump sums.
Average hourly and weekly earnings.

Includes all part employment.

Includes some types of lump sums
None None
Employee coverage Those aged 15 years and over, excluding invalid IRD identifiers.

Exception is total earnings which covers all.
Employees in economically significant businesses on BF. Excludes non-civilian employees. All employees in economically significant businesses. Those aged 15 years and over in the usually resident, non-
institutionalised, civilian population.
Part-time/
full-time
No measure of hours worked available. Included Discontinued in 2003. Included but based on total hours, not each job.
Industry coverage All Some excluded, for example: Agriculture and
Services to agriculture.
All in 1998, 2004 and 2005.
Agriculture and others excluded in other years.
All, but includes industry of main job only.
Industry coding Employer sourced. Employer sourced. Employer sourced. Respondent sourced.
Region Detailed information at regional council level. Limited regional information available. Detailed information available to territorial authority level. Key measures by regional council.

The employment measures for LEED, HLFS and QES have different definitions and coverage as detailed above. However it is shown that the growth rates for these measures are similar over the time series from December 1999 to December 2004.

Graph, LEED, HLFS and QES employment measures.

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