Abbreviated Contents: Volume A: Framework, Households and Firms. Introduction to the Series. Preface. Introduction. Chapter 1. The General Framework. Part 1. Agents, Assets, Operations. Division into periods. Overall consistency. Part 2. Prices, Interest and Profits. Prices and wage rates. Profit rates and interest rates. Part 3. Equilibrium and Behavioural Laws. Variables and accounting equations. Microeconomic foundations of macroeconomic theories. Chapter 2. Households. Part 1. Consumption and Saving. A model for saving decisions. Saving and the risk of income loss. Part 2. Aggregation and the Consumption Function. Two types of exogeneous variables. The consumption function. Part 3. Labour Supply. A complex phenomenon. Labour markets and search. Part 4. Portfolio Investment and the Demand for Money. Liquidity preference. The demand for money. Part 5. Complements. Chapter 3. Physical Constraints on Production. Part 1. Fixed Proportions. Interindustrial proportions. Aggregation of technical coefficients. Part 2. Substitutability of Capital for Labour. The production function. Direct estimation of production functions. Chapter 4. Firms. Part 1. Production, Prices and Employment. Fixed coefficients. Short-term fluctuations in demand for labour. Part 2. Alternative Market Contexts. Monopolistic competition. Wage policy of firms. Part 3. The Demand for Investment. Factors affecting investment. Timing of irreversible discrete investments. Part 4. Investment and Financing. Financing. Investment, financial markets and the behaviour of firms. Part 5. Fluctuations in Investment. The acceleration phenomenon. Fluctuations in inventories. Part 6. Aggregation. The purely technological production function. Aggregation and monopolistic competition. Part 7. A Second Look at the Estimation of Production Functions. A basic hypothesis. Variable and fixed inputs. (Volume 35A & 35B). Subject Index (Volume 35A & 35B).