This study aims to explain causal relationships between the two dramatic cycles observed in the U.S. during the recent financial crisis - the mortgage credit cycle and the home price cycle. In the viewpoint of mortgage lending, the main demand-side driver for the observed credit concentration...

"This paper explores the practice of mortgage refinancing in a dynamic competitive lending model with risky borrowers and costly default. We show that prepayment penalties improve welfare by ensuring longer-term lending contracts, which prevents the mortgage pools from becoming...