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Essays On Mortgage Portfolio Diversification, Timothy Patrick Dombrowski
Essays On Mortgage Portfolio Diversification, Timothy Patrick Dombrowski
LSU Doctoral Dissertations
Portfolios of mortgage loans played an important role in the Great Recession and continue to compose a material part of bank assets. The distribution of mortgage portfolio returns, and consequently, the risk of these portfolios, is quite distinct even from other fixed income asset classes. This dissertation contains three essays, each aiming to analyze a specific component of risk in mortgage portfolios and role of geographical diversification in reducing this risk.
The first essay investigates how cross-sectional dependence in the underlying properties flows through to the loan returns, and thus, the risk of the portfolio. In addition to demonstrating this …