When house prices rise, so do retail prices

Store owners who see local home values go up may want to raise prices.

Two bar charts plotting retail prices as an index, with one equaling levels during in the third quarter of 2001 and the years of 2001 to 2011 on the x-axis. The first chart shows zip codes with high homeownership rates, with one line tracking those in the top quartile of house price growth rising to a retail-price index value of nearly one-point-three, and a second line tracking the bottom quartile rising to a retail-price index value of less than one one-point-two. The second chart shows zip codes with low homeownership, with both lines following a nearly parallel path and rising to values between one-point-two and one-point-two-five.

Homeowners feel wealthier and pay less attention to retail prices when house prices rise.

  • House prices rose solidly in 2014, and economists expect prices to increase further this year. That could give retail prices a boost, according to research by New York University’s Johannes Stroebel and Chicago Booth’s Joseph S. Vavra.
  • To analyze how retail prices respond to changes in house prices, the researchers used bar-code-level price data from 2,400 US zip codes on a variety of products, mostly items found in grocery stores and drug stores. They find that when local house prices doubled, product prices in the area increased by 15 to 20 percent. Retail prices rose higher in areas with stronger house-price growth.
  • When house prices rise, homeowners feel wealthier and pay less attention to retail prices, the researchers argue. Retailers increase their markups as a result.
  • This effect was only detectable in areas with large proportions of homeowners—rising home prices didn’t have the same effect on renters. The difference in retail prices between areas in the top and bottom quartiles of house-price growth was larger in areas with more homeowners than in areas with mostly renters (see chart).

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