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Conference Paper
Federal Reserve research on government-sponsored enterprises
Working Paper
The effect of housing government-sponsored enterprises on mortgage rates
We derive a theoretical model of how jumbo and conforming mortgage rates are determined and how the jumbo-conforming spread might arise. We show that mortgage rates reflect the cost of funding mortgages and that this cost of funding can drive a wedge between jumbo and conforming rates (the jumbo-conforming spread). Further, we show how the jumbo-conforming spread widens when mortgage demand is high or core deposits are not sufficient to fund mortgage demand, and tighten as the mortgage market becomes more liquid and realizes economies of scale. Using MIRS data for April 1997 through May 2003, ...