Half-life

Definition:

The point in the life of a mortgage-backed security guaranteed or issued by the Government National Mortgage Association, the Federal National Mortgage Association or the Federal Home Loan Mortgage Corporation when half the principal has been repaid.

Investing Essentials


Copyright © 2011 Campbell R. Harvey, Professor of Finance, Fuqua School of Business at Duke University

Term of the Day

Measurement error

Errors in measuring an explanatory variable in a regression, which leads to biases in estimated parameters.

Subscribe to the Term of the Day via email Get the Term of the Day in your inbox!


Create your free portfolio