Glossary 419
Weapons systems Weapons systems include vehicles and other equipment such as warships, subma-
rines, military aircraft , tanks, missile carriers and launchers, etc. ......................7.74
Withdrawals of income from
quasi-corporations
Withdrawals of income from quasi-corporations consist of that part of distribut-
able income that the owner withdraws from the quasi-corporation ................5.118
Work in progress Work in progress consists of goods and services that are not yet suffi ciently
processed to be in a state in which it is normally supplied to other institutional
units ............................................................................................................................7.80
Written-down replacement
cost
Written-down replacement cost is the current acquisition price of an equivalent
new asset minus the accumulated consumption of fi xed capital, amortization, or
depletion ...................................................................................................................3. 115
Zero-coupon bonds Zero-coupon bonds are long-term securities that do not involve periodic pay-
ments during the life of the bond ..........................................................................7.147