<prompt> Translate the following text to EnglishKama ilivyoelezwa katika Review of Economics and Statistics Mei 2000 na N. Gregory Mankiw, Macroeconomics, toleo la nne 2000, p.  <response>: Review of Economics and Statistics May 2000 and N. Gregory Mankiw, Macroeconomics, 4th edition 2000, p. 