Also referred to as the weighted-average life (WAL) . The average number of years that each dollar of unpaid principal due on the mortgage remains outstanding . Average life is computed as the weighted-average time to the receipt of all future cash flows , using as the weights the dollar amounts of the principal paydowns.
AVERAGE LIFE
Meaning of AVERAGE LIFE in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012