In the late 19th century, the chief railroad terminus was:

Part of the reason for the success of Facebook is:

A. the avoidance of a positive externality. b. a strong negative network externality. C. a strong positive network externality. D. the avoidance of a negative externality.

If the Fed buys government bonds through open-market operations, it will

A) increase the demand for bonds in the bond market. B) decrease the demand for bonds in the bond market. C) increase the supply of bonds in the bond market. D) decrease the supply of bonds in the bond market.