TY - BOOK AU - Williams,Harold R TI - Macroeconomics: problems, concepts, and self-tests SN - 0393092585 PY - 1974/// CY - New York PB - W.W. Norton KW - Macroeconomics N1 - Exercises prep. to correlate with W. C. Peterson's text'Income, employment, and economic growth' (rev. ed.) but may be used with any standard textbook on the subject; 'Reference books': p.301 ER -