Answer:
D. All of the above
Step-by-step explanation:
Monetary policy -
It is the policy which is adopted by a country , in order to control the borrowing , money supply and inflation , in order to maintain a stable economy of the country .
Social Security Benefit -
It is the benefit given due to any disability , these benefits depends on the level of income .
A service - based economy -
It is the economy , which leads to more value from the service sector .
Social Security benefits , monetary policy ,and , a service - based economy all lead to shorter recessions, longer expansions, and less severe fluctuations in real GDP .