TY - BOOK AU - Case, Karl E. AU - Fair, Ray C. AU - Oster, Sharam M. TI - Principles of economics. SN - 9780137141456 AV - HB171.5.C3123 PY - 2009/// CY - New Jersey PB - Prentice Hall KW - Economics N1 - Includes index; Contents: Introduction to economics -- The Marketing system: choices made by households and firms -- Market imperfections and the role of government -- Concepts and problems in macroeconomics -- The Core of macroeconomic theory -- Further macroeconomics issues -- The World economy ER -