Wednesday, May 28, 2014

CONCEPTS OF MANAGERIAL ECONMICS


There are certain  concepts which are significant in Managerial Economics.
Incremental Reasoning
The concept of incremental reasoning involves estimating the impact of a decision alternative on cost and revenues, emphasizing the change in total cost and total revenue resulting from variations in products, prices, procedures, investments or whatever at stake in the decision. Incremental cost and incremental revenue are the two basic components of incremental reasoning. Incremental cost or incremental revenue is the variation in total cost due to a particular decision. 
 Discounting Principle
Discounting originates from the concept of opportunity cost and time perspective.  In Managerial Economics, investment planning or capital budgeting are the major decision areas where the concept of discounting is most useful. A manager should know that if a decision impinges on costs and returns over a period of time, it is important that the future stream of costs and returns are discounted at appropriate rates to reflect the opportunity cost of capital. A valid comparison among relevant alternatives is certainly facilitated by this approach.
Opportunity Cost
               The resources natural as well as man-made are scarce in relation to their demand to meet the ever- increasing human needs. These resources can be put to alternative uses. The scarcity and the alternatives uses of the resources gives rise to the idea of opportunity cost. The opportunity cost principle may be stated as: The cost involved in any decision consists of the sacrifices of alternatives required by that decision. If a decision involves no sacrifice, it commands no opportunity cost. It measures the value of the opportunity, which is lost or sacrificed when the cost of one course of action requires that an alternative course of action be left.   The concept can be applied to all other kinds of business decisions where there are at least two alternative options involving costs and benefits. The following examples can explain the concept:
·         The opportunity cost of funds used in one’s own business is the interest that one could earn on those funds had they been used in other ventures.
  • The opportunity cost of producing a unit of commodity X is the amount of commodity Y that must be sacrificed in order to use resources to produce X rather than Y.
  •   The opportunity cost of going to 8 A.M. class rather than sleeping in is the lost sleep from getting up early.
  •  If a worker on a farm can produce either 1000 tonnes of wheat or 2000 tonnes of barley, then the opportunity cost of producing 1000 tonnes of wheat is the 2 000 tonnes of barley forgone.
  • The opportunity cost of holding Rs.1000 as cash in hand for a year is 10% interest, which could have been earned had it been kept in the form of fixed deposit in the bank.
  • If you choose Cornetto ice cream out of a list of possible flavors, then the opportunity cost is the sacrifice from not being able to consume the next best flavor perhaps Vadilal. Choice 
    involves sacrifice.
    The opportunity cost of buying a textbook is the lavish dinner you wanted to have with your girlfriend that you had to go without. 
  • The opportunity cost of working overtime is the leisure you have sacrificed.
Opportunity costs are not measured in accounting records.  In most situations, it is extremely difficult to make estimation what, if any, additional product could be acquired if the resources in question were devoted to some other use. Decisions of a manager must be based on a clear understanding of the cost of alternative decision and how relevant these costs are in a situation.”. An opportunity cost occurs all the time whenever there is a choice. For example, in several cases involving choice and scarcity, where there are more than two things to choose from. The sacrifice of alternatives in the production (or consumption) of a good is known as its opportunity cost.
            We should keep in mind the following:
(a)                All decisions, which involve choice, must involve calculation of opportunity cost.
(b)     The opportunity cost may be either real or monetary, either implicit or explicit, either non-quantifiable or quantifiable.
Managers confront many different decision areas where the concept of opportunity cost is directly applicable as make or busy decision, breakdown or preventive maintenance of machines, replacement or new investment decision etc.
Time Perspective
Management executives are also concerned with the short-run and long- run effects of decisions on costs and revenues. A decision may be made on the basis of short run considerations, but may have long run repercussions. A decision taken may have short run and long run effects on revenue as well as costs. A decision made on the basis of short run considerations may have long run repercussions, making it more or less profitable than it at first appeared.
The business decision-making process has become increasingly complex due to growth of large- scale industries, diversification and expansion of business activities, emergence of multinational enterprises, and mergers and acquisitions.  In such a complex and dynamic business environment the application of economic concepts, models,  theories and tools of economic analysis has became inevitable for business decision- making. This requires a clear understanding of different market conditions and a thorough analysis of product, input and financial markets. So the managerial problems are related to getting the most out of scarce resources.
Forward planning is a fundamental process that can be adapted to all planning activities at all organizational levels and becomes an integral part of the managerial function. Managerial economics is the combination of Management and Economics. It is concerned with the application of economic principles and methodologies to the decision-making process within the firm or organization under conditions of uncertainty. 
The major concepts of managerial economics include Incremental Reasoning, Discounting Principle, Opportunity Cost and Time Perspective
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