Mortgage equity withdrawal
In economics, mortgage equity withdrawal (MEW) is the decision of consumers to borrow money against the real value of their houses. The real value is the current value of the property less any accumulated liabilities (mortgages, loans, etc.) Some authors also use equity extraction and include net payments received at time of house sale. In this case the traditional usage of equity extraction is the purchase of a new house.
The rate of MEW has been linked to Marginal propensity to consume (MPC), as measured by Personal Consumption Expenditure (PCE). In the United States, during the dramatic rise in house prices MEW funded PCE 1.1 to 1.7% from 1991 to 2000, and almost 3% from 2000 to 2005  and was responsible for more than 75% of GDP growth from 2003 to 2006.
- Sources and Uses of Equity Extracted from Homes (pdf), Alan Greenspan and James Kennedy, Finance and Economics Discussion Series, 2007-20, Divisions of Research & Statistics and Monetary Affairs, Federal Reserve Board, Washington, D.C.
- Ritholtz p. 96
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