Towards a big data CPI for New Zealand Paper presented at the - - PowerPoint PPT Presentation

towards a big data cpi for new zealand
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Towards a big data CPI for New Zealand Paper presented at the - - PowerPoint PPT Presentation

Towards a big data CPI for New Zealand Paper presented at the Ottawa Group 2017, Eltville, Germany Alan Bentley and Frances Krsinich May 2016 The century-old inflation measurement paradigm View of Karangahape Road, Auckland. Ref:


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Paper presented at the Ottawa Group 2017, Eltville, Germany Alan Bentley and Frances Krsinich

May 2016

Towards a big data CPI for New Zealand

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The century-old inflation measurement paradigm

View of Karangahape Road, Auckland. Ref: 1/2-001196-G. Alexander Turnbull Library, Wellington, New Zealand. /records/22686552

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New data sources

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Paradigm shift

Traditional data Designed sample surveys Big data Found digital footprints Target population Data available

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Assessing coverage

Time Product Place

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New data sources

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Product coverage

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Regional coverage

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Outlet coverage

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Implementation

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Rent

Cottages in Pulham Road, Warkworth part of Cottages in Pulham Road, Warkworth. Price, William Archer, 1866-1948 :Collection of post card negatives. Ref: 1/2-001796-G. Alexander Turnbull Library, Wellington, New Zealand. /records/23190869

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Rent

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Rent: data sources

Census Tenancy bonds

Non-active bonds Missing from census and bonds Census

  • ver-coverage

A ll rental properties

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Rent: regional coverage

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Rent: temporal coverage

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Rent: timing