Home Price Index
Definition
A Home Price Index (HPI) is a statistical measure that examines the relative level of prices of housing within a specific market during a particular time period. The index values are typically pegged to a base or starting value, allowing users to track changes in home prices over time rather than providing actual dollar amounts of average or median home prices.
Examples
- Case-Shiller/S&P Home Price Index: One of the most well-known HPIs, developed by economists Karl Case and Robert Shiller. It measures the repeat sales price changes across 20 major metropolitan areas in the United States.
- FHFA House Price Index (HPI): This index, provided by the Federal Housing Finance Agency, includes all transactions involving conforming, conventional mortgages purchased or securitized by Fannie Mae or Freddie Mac.
Frequently Asked Questions (FAQs)
Q: What is the base value of a Home Price Index? A: The base value is an arbitrary starting point for the index, usually set at 100 during a specific year. Changes in the index are calculated relative to this base value.
Q: How often are Home Price Indexes updated? A: HPIs like the Case-Shiller/S&P and FHFA indices are typically updated monthly or quarterly, providing recent data on housing market trends.
Q: Why is a Home Price Index useful? A: HPIs are useful because they provide insight into the economic health of the housing market, help identify regional market trends, and can be used for policy-making or economic analysis.
Q: Are there any specific regions covered by HPIs? A: Yes, HPIs can cover various regions, from national levels to specific metropolitan areas. For example, the Case-Shiller/S&P index covers 20 major U.S. metropolitan areas.
Q: How is an HPI calculated? A: HPIs are typically calculated using repeat sales methodology, which tracks the price changes of the same properties over time. This helps eliminate the effect of differing property qualities and provides a more accurate measure of price trends.
Related Terms
- Case-Shiller/S&P Home Price Index: A widely recognized home price measure that tracks the value changes in residential real estate in 20 U.S. metropolitan areas.
- FHFA House Price Index (HPI): An index that measures changes in single-family house prices in the U.S., focusing on mortgages purchased by Fannie Mae and Freddie Mac.
Online References
Suggested Books for Further Studies
- “Housing Economics and Public Policy” by Anthony O’Sullivan and Kenneth Gibb
- “Real Estate Market Analysis: Methods and Applications” by John Ratcliffe, Michael Stubbs, and Mark Shepherd
- “Urban Economics and Real Estate Markets” by Denise DiPasquale and William C. Wheaton
Fundamentals of Home Price Index: Real Estate Market Basics Quiz
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