The mortgage crisis in the US which started in 2007 has been blamed on excess of subprime
mortgage loans, low mortgage rates, inflow of foreign capital into mortgage-backed securities,
relaxed credit standards, greed, lenders’ disregard for risk management, lack of regulatory
oversight, and inflated housing prices. Between 2003 and 2004, mortgage rates reached
historic lows and house prices skyrocketed. The mortgage crisis, coupled with massive
household debts, high loan-to-value ratios caused the economy to slip into a deep recession.
The subprime debacle led to severe liquidity crisis as a result of deterioration in the balance
sheets of most lending institutions. As a result of the subprime crisis, most financial institutions
tightened their credit standards. Household financial crisis, high unemployment rate and long duration of unemployment all contributed to an increase in the supply of existing houses
in the market. Consequently, house prices fell despite low mortgage rates and loan modification
programs introduced by the federal government. To restore stability in the real estate market,
the federal government bailed out some of the troubled-institutions through the Troubled
Asset Relief Program (TARP).
The subprime crisis has attracted the attention of economists and analysts given its
implications for the US economy. Most of the studies have concentrated on either the impact
of foreclosures on property values or on the relationship between foreclosures and crimes.
The present study, however uses the EGARCH model developed by Nelson (1991) to examine
the asymmetric relationships between foreclosures, housing prices, unemployment rate and
adjustable mortgage rates.
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