Volume 1: Introduction to economics; the market; economic supply; forms of market structure; national income analysis; the Keynesian model; investment and business cycles; money and banking; demand for money; fiscal policy; monetary policy; unemployment and inflation; international trade and finance; economic goals. Volume 2: Collection of data; tabulation; frequency distributions; graphs; charts and diagrams; other charts; measures of location and dispersion; correlation and regression; time series analysis; probability; sampling, significance testing and quality control.