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Using Engel Curves To Estimate Bias In The Canadian Cpi As A Cost Of Living Index

  • Beatty, Timothy K.M.
  • Larsen, Erling Roed

Semiparametric Engel curves are used to infer bias in the Canadian CPI as a Cost of Living Index. The budget share of food has long been used as an indicator of welfare. We compare households with the same levels of CPI deflated total expenditure over the period 1978-2000. Differences in the expenditure share of food are attributed to the CPI failing to capture changes in costs of living. We employ a novel econometric approach using a single index penalized linear spline model. Over the period, we find that the CPI overstated changes in the cost of living between 1.33 and 1.86% for the four household types considered.

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File URL: http://purl.umn.edu/15836
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Paper provided by University of British Columbia, Food and Resource Economics in its series Working Papers with number 15836.

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Date of creation: 2004
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Handle: RePEc:ags:ubcwps:15836
Contact details of provider: Postal: 2053 Main Mall, Vancouver, BC V6T 1Z2
Web page: http://www.landfood.ubc.ca/fre/

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