A fixed exchange rate system where central banks buy and sell gold to keep exchange rates at a given level is called the:

Models of growth that account for technological progress are part of

A) creative destruction theory. B) growth accounting. C) new growth theory. D) all of the above.

If a tax of $1 a can is imposed on the buyers of sugary drinks, the demand for sugary drinks ______ and the price that buyers pay ______

A. doesn't change; doesn't change B. doesn't change; rises by $1 a can C. decreases; rises by more than $1 a can D. decreases; rises by less than $1 a can