For a good whose production creates a pollution, when marginal social cost equals marginal social benefit, then

Suppose that the central bank increases interest rates in an economy. How would this affect aggregate demand and inflation?

A) Aggregate demand would fall and inflation would rise. B) Aggregate demand would fall and inflation would fall. C) Aggregate demand would rise and inflation would rise. D) Aggregate demand would rise and inflation would fall.

For barter to occur, there has to be a double coincidence of wants

Indicate whether the statement is true or false