1.

Income per worker has been O converging in both the rich countries and the poor countries. O converging in the rich countries, but not converging in the poor countries. O converging in neither the poor nor the rich countries. O converging in the poor countries, but not converging in the rich countries.Consider the Chapter 9 inter-temporal model from class with perfect information where r is the re interest rate: A balanced-budget $1 tax cut today must be offset by a in the next period. $r tax increase O $(1+r) tax increase Another $1 tax cut $1 tax increase