21. Microeconomics has changed steadily in the past fifteen years.22. _Simple microeconomic models work pretty well in predicting outcomes of simple experiments. 23. "They're teaching mainstream macroeconomics and mainstream microeconomics ." 24. It forms the cornerstone of microeconomic theory regarding choices by individuals and businesses. 25. Consistent with this focus, primary textbooks often distinguish between microeconomics and macroeconomics. 26. Microeconomic theory typically begins with the study of a single rational and differentiable.27. RBC models were created by combining fundamental equations from neo-classical microeconomics . 28. This helps in analyzing both macroeconomic and microeconomic conditions. 29. In microeconomics , Wold advanced utility theory and the theory of consumer demand. 30. His areas of research include labor economics, applied econometrics and applied microeconomics .