TY - BOOK AU - Birmingham,Walter TI - Introduction to economics T2 - Penguin African series PY - 1962/// CY - Harmondsworth PB - Penguin Books KW - Economics N1 - Bibliography: p. 116-121; The Economic Problem: Making Your Choice -- The National Income and the Share-Out -- Buying and Selling -- People and Productivity -- Costs -- Competition and Monopoly -- How Money Helps and Hinders -- International Trade -- Books on Economic Theory ER -