Managerial Economics by D. N. Dwivedi and a great selection of related books, art and collectibles available now at sroaden.site Macroeconomics: Theory and Policy | D.N. Dwivedi | download | Z-Library. Download books for free. Find books. managerial economics is an applied specialty of this branch. Macroeconomics deals with the performance, structure, and behavior of an economy as a whole. Managerial economics applies microeconomic theories and techniques to management decisions. It is more limited in scope as compared to microeconomics.