The time it takes to collect and process data is the biggest source of which lag?

All of the following are examples of spending on goods and services in the circular flow model except

A) Giovani buys a new cell phone to replace the one he flushed down the toilet. B) Amir buys a new humidor for his cigar shop. C) Isabella buys the sushi plate for lunch at the Turning Japanese Sushi Bar. D) Vijay buys a new minivan for his family's cross-country vacation.

Refer to the diagram, in which Q f is the full-employment output. An expansionary fiscal policy would be most appropriate if the economy's present aggregate demand curve were at:

A.  AD 0 .
B.  AD 1 .
C.  AD 2 .
D.  AD 3 .