Managerial Economics: Demand Analysis
Demand
Demand is the quantity of good and services that customers are willing and able purchase during a specified period under a given set of economic conditions. The period here could be an hour, a day, a month, or a year. The conditions to be considered include the price of good, consumer’s income, the price of the related goods, consumer’s preferences, advertising expenditures and so on. The amount of the product that the costumers are willing to by, or the demand, depends on these factors. There are two types of demand. The first of these is called direct demand. This model of demand analysis individual demand for goods and services that directly satisfy consumers desires. The prime determinant of direct demand is the utility gained by consumption of goods and services. Consumers budget, product characteristics, individuals preferences are all important determinants of direct demand. The other type of demand is called “derived demand”. Derived demand is the demand resulting from the need to provide the final goods and services to the consumers. Intermediate goods, office machines are examples of derived demand. An other good example is mortgage credit. Mortgage credit demand is not demanded directly, but derived from the demand for housing.
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IKT434 Topics in Economics
Market demand function
The market demand function for a product is a function showing the relation between the quantity demanded and the factors affecting the quantity of demand. A demand function for the good X can be expressed as follows: Quantity of product X demanded = Q x = f (the price of X, prices of related goods, expectations of price changes, income, preferences, advertising expenditures and so on. ) For use in managerial decision making, the relation between quantity of demand and each demand determining variable must be specified. To illustrate this, the demand function for automobile industry is
Q =