1. Sunspot and Venus theories of the business cycle – 2. Measuring and representing business cycles – 3. Random shocks enter the business cycle scene – 4. Tinbergen and macrodynamic models – 5. Narrowing the datatheory gap in demand analysis – 6. The evolution of identification questions – 7. Errors-in-variables and errors-in-equations models – 8. Haavelmos probability model
