The following result is obtained by our Internet Research Algorithm: Managerial economics also refer to as business economics, it is the application of microeconomics for business decision making. • Macroeconomics talks about understanding the economic environment by which forecasting is done which helps managerial economics. • Managerial economics uses mathematical programming for the purpose of strategic decision making, like geometry, algebra and calculus etc. • Managerial economics is drawn from quantitative techniques of statistics which includes regression analysis, correlation and calculus. It uses the data validated by using statistical operations. • The purpose of managerial economics is to optimise business decision making by giving objectives and constraints on the basis of scarcity. • Managerial economics and accounting are inter-related, managerial economics uses the accounting information data for logical analysis for the purpose of effective decision making.