Price Elasticity Of Demand Pdf

Demand Elasticity Definition

First, we'll need to find the data we need. With a decline in the price of the good, quantity demanded decrease, the total expenditure also decreases, elasticity of demand is less than one. The second term is the original price divided by the Original Quantity.

The elasticity of demand also depends on the nature of the commodity. References and Further Readings. However it should be taken note that it is possible to identify whether price elasticity of demand will be greater than one, less than one or equal to one only.

With a decline in the price of the good, quantity demanded increases, the total expenditure also increases, elasticity of demand is greater than one. Joanne Vhale Carlin Milan.

For example, demand for two brands of tea. As we have seen above there are three quantifiable determinants of demand, Hence elasticity of demand can be of three types. The responsiveness of supply to changes in price If Peos is inelastic - it will be difficult for suppliers. On the other hand, demand for cloth in a country like India tends to be elastic since households spend a good part of their income on clothing.

The product can be categorized as luxury, convenience, necessary goods. The definition and the numerical example disussed earlier explains the percentage method. It is worth mentioning here that for assessing the elasticity of demand for a commodity all the above three factors must be taken into account. Thus, these are some of the important determinants of elasticity of demand that every firm should understand properly before deciding on the price of their offerings.

Determinants of Price Elasticity of Demand

It is used when there is no general function to define the relationship between the two variables. Now we proceed to understand the Point elasticity method. In other words greater the possibility of substitution greater the elasticity. If the price of common salt rises slightly, the people would consume almost the same quantity of salt as before since good substitutes are not available.

The three factors mentioned above may reinforce each other in determining the elasticity of demand for a commodity or they may operate against each other. It is a situation where there is no change in quantity demanded when price changes. Accounting Banking Business Business Statistics. But, however, the demand for the prestige goods is said to be inelastic, because people are ready to buy these commodities at any price, such as antiques, gems, stones, etc.

Community Community portal Web chat Mailing list. The outcome would be different under the two situation.

If the price of cloth falls, it will mean great saving in the budget of many households and therefore they will tend to increase the quantity demanded of the cloth. Fourthly if two commodities are consumed jointly then increase in the price of one will reduce the demand for both. How demand decisions in response to price changes vary for different types of goods? The demand for common salt, soap, matches and such other goods tends to be highly inelastic because the households spend only a fraction of their income on each of them.

In technical terms it is the ratio of the percentage change in demand to the percentage change in price. But, given sufficient time, people will make adjustments and use coal or cooking gas instead of the fuel oil whose price has risen. Apart from the price, there are several other factors that influence the elasticity of demand. Elasticity Elasticity is a measure of a variable's sensitivity to a change in another variable. The greater the proportion of income spent on a commodity, the greater will be generally its elasticity of demand, vacuum furnace pdf and vice versa.

The element of time also influences the elasticity of demand for a commodity. Click here to refer Video Clip. The goods which have close substitutes are said to have elastic demand. It is a situation where percentage change in quantity demanded is greater than percentage change in price. The higher the price elasticity, the more sensitive consumers are to price changes.


If the price of one brand A increases then the demand for the other brand B increases. In economics, the demand elasticity elasticity of demand refers to how sensitive the demand for a good is to changes in other economic variables, such as prices and consumer income. Demand is more elastic if time involved is long.

Likewise, when the business firms find that the price of a certain material has risen, then it may not be possible for them to substitute that material by some other relatively cheaper one. If for a commodity substitutes are not available, people will have to buy it even when its price rises, and therefore its demand would tend to be inelastic. These other things which are assumed to be constant are taste or preference of the consumer, income of the consumer, prices of related goods etc.

Likewise, demand for common salt is inelastic because good substitutes for common salt are not available. Such as the demand for the furniture can be postponed until the time its prices fall.

What are the Determinants of Elasticity of Demand - Business Jargons

Greater the proportion of income spent on the commodity greater will be the elasticity. If for a commodity close substitutes are available, its demand tends to be elastic. Mike Moffatt is an economics writer and instructor who has written hundreds of articles and taught at both the university and community college levels.

On a Linear Demand curve price elasticity varies from Zero to infinity. It is the availability of close substitutes that makes the consumers sensitive to the changes in the price of Campa Cola and this makes the demand for Campa Cola elastic. Such as car and petrol, pen and ink, etc. Let us under the relationship precisely. Jennifer Gabrielle Irawan.

Firms collect data on price changes and how consumers respond to such changes. Your email address will not be published. When we analyze price elasticities we're concerned with their absolute value, so we ignore the negative value. It is a situation where percentage change in price is same as change in quantity demanded. Namespaces Page Discussion.

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If the price of milk falls, it would be devoted to other uses such as preparation of curd, cream, ghee and sweets. But however, if the prices are increased the consumption reduces and as a result demand falls. Grasp of demand elasticity guides firms toward more optimal competitive behavior and allows them to make precise forecasts of their production needs. Let us consider some of these factors.

Therefore, the demand for milk tends to be elastic. Thus, the demand for lubricating oil tends to be inelastic.