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As an MBA student you need to study managerial sparing science which is concerned with determinationmaking by managers. As you all are apprised that the main Job of managers is last making only. Before making a ratiocination one has to take into accounts so many things. And here comes theimportance of managerial stinting science. Meaning of Economics Economics can be called as accessible science dealing with economic science problem and mans economic fashion. It deals with economic behavior of man in society in respect of consumption, production scattering etc. conomics can be called as an unending science.There are nearly as many definitions of economy as there are economists. We chicane that definition of subject is to be expected but at this map it is more useful to set out few examples of the sort of issueswhich concerns master economists. Example For e. g. close to of us want to lead an exciting manners i. e. life full of excitements, adventures etc. butunluckily we do not always give up the resources necessary to do everything we want to do. Thereforechoices have to be made or in the words of economists individuals have to decidehow toallocate scarce resources in the most effective ways.For this a body of economic principles and concepts has been developed to explain how people andalso business react in this situation. Economics provide optimal employment of scarce resources to achieve the desired result. It providesthe basis for decision making. Economics can be studied under two headsl) Micro Economics2) macro EconomicsMicro Economics It has been defined as that single out where the unit of study is an individual, unfluctuating or household. Itstudies how individual ake their choices about what to produce, how to produce, and for whom to produce, and what price to charge.It is also known as the price theory is the main source of conceptsand analytical tools for managerial decision making. Various micro-economic concepts much(preno minal) as demand, supply, elasticity of demand and supply, marginalcost, various commercialize forms, etc. are of great significance to managerial economics. 1 big Economics Its not only individuals and forms who are faced with having to make choices. Governments facemany such problems. For e. g. How much to spend on healthHow uch to spend on servicesHow much should go in to providing social security benefits.This is the same type of problem approach all of us in our daily lives but in dissimilar scales. lt studies the economics as a whole. It is aggregative in character and takes the stallion economic as aunit of study. Macro economics helps in the area of forecasting. It includes content Income,aggregate consumption, investments, employment etc. Meaning of managerial economics It is another branch in the science of economics. Sometimes it is interchangeably used with businesseconomics. Managerial economic is concerned with decision making at the level of firm.It has beendesc ribed as an economics applied to decision economic theory and managerial practices. lt is defined as application of economic theory and methodology to decision making mold by themanagement of the business firms. In it economic theories and concepts are used to make practical business problem. It lies on the borderline of economic and management. It helps in decision makingunder uncertainty and improves effectiveness of the organization. The basic purpose of managerial economic is to argue how economic nalysis can be used informulating business plans.Definitions of managerial economics In the words of Mc Nair and Merriam, Managerial Economics consists of use of economic modes of thought to analyze business situation. According to Spencer and Seigelmanit is defined as the integration of economic theory with business practice for the purpose of facilitating decision making and forward planning by themanagement. Economic provides optimum utilization of scarce resource to achieve the desired result.