在宏观经济学创立过程中起了重要作用的一部著作是()。

A、federal governments, but not by state or local governments.

B、federal and state governments, but not by local governments.

C、federal, state, and local governments.

D、federal, state, and local governments, as well household spending by employees of those governments.

A．issued by local governments only

B．issued by corporations with Moody's rating of Baa or less

C．tied to a particular government project

D．issued by state and local governments, while general obligation bonds are issued by the federal government

______should be involved in the campaign to deal with substance abuse among youth.

A. Schools

B. Local, state and national governments

C. Families and community

D. All of the above

Municipal securities______.

A．are issued by state and local governments

B．pay interest that is exempt from federal income taxation

C．pay interest that is exempt from state income taxation for holders who are residents of that state

D．are either backed by the general taxing power of the issuing municipality or by the capacity of specific projects to generate future revenues

E．all of the above

A、the federal and local governments.

B、the federal and local governments, and corporations.

C、the federal and local governments, corporations, and financial institutions.

D、local governments and corporations.