Nov 24, The difference between Giffen Goods and Inferior Goods is that people will purchase less of the inferior goods as income increases and. May 9, Hey Inferior good is a good whose demand increases when the consumer’s income decreases and whose demand decreases as the. In economics, an inferior good is a good whose demand decreases when It was noted by Sir Robert Giffen that in Ireland during the 19th century there was a rise in the price of potatoes. The poor people were.

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Leave good Reply Cancel reply Your email address will not be published. A number of economists have suggested that shopping at large discount chains such as Biffen and rent-to-own establishments vastly represent a large percentage of goods referred to as “inferior”. To establish law of demand, he takes the assumption that consumer behaves according to a scale of preferences.

Therefore, these goods are treated differently by consumers when there is a change in the market prices and level of income but as discussed above they are different. October Learn how and when to remove this template message.

Betwene Durable goods Intermediate goods producer goods Final goods Capital goods. Further, by separating substitution effect from income effect with the weak ordering approach.

Interrelationship among Inferior Goods, Giffen Goods and Law of Demand

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From Wikipedia, the free encyclopedia. You Might Also Like: Leave a Reply Cancel reply. Giffen goods are special types of products for which the traditional law of demand does not apply. I have ignored moral economy and purely relying on utilitarian concept. Home Questions Tags Users Unanswered. In some countries with less developed or poorly maintained railways this is reversed: The effect of the increase of income on the consumption of goods is known from empirical evidence.

Sign up using Email and Password. This article needs additional citations for verification. Both these types of products do not follow the general demand patterns laid out in economics and are, therefore, special types of products that are treated differently by consumers as market prices and income levels change.


This page was last edited on 15 Decemberat Retrieved from ” https: The goods with income effect or income elasticity negative have been called inferior goods, since income effect is mostly negative in case of commodities which are of physically inferior quality. Substitution effect of the fall in price of a good, as proved above, always tends to increase the consumption of the good.

But isn’t it also the case for all inferior goods? Inferior goods ought to have a costly substitute. It may however be pointed out that inferior good need not be one which is of physically inferior quantity and also it is not necessary that the substitute which replaces the so called inferior goods should have any physical characteristics common with them.

Difference Between Giffen Goods and Inferior Goods

If my income is low, I would buy a secondhand car, and as my income rises, I would prefer a brand new car that I can afford. In most cases it is observed that the income effect is positive, that is, increase in income leads to the increase in consumption of the good. As income rises people will spend less on inferior goods as they can now afford more expensive, better quality alternatives. The consumption of inferior goods decreases with the rise in income, for they are replaced by the superior substitutes at higher levels of income.

Difference Between Giffen Goods and Inferior Goods (with Comparison Chart) – Key Differences

The Giffen good case is demonstrated in Fig. This would have to be a good that is such a large proportion of a person or market’s consumption that the income effect of a price increase would produce, effectively, more demand. Damaged goods Composite goods Intangible goods.

Thus, unless the demand for a good is exceedingly responsive to the changes an income, that is, unless the income elasticity of demand is extremely large, the income effect of the change in price must be quite small in relation to previous goocs. Hicks now, like Samuelson, relies on consistency in the behaviour of the consumer which is a more realistic assumption.

Thus inverse price-demand principle will also hold in most cases giffn the inferior goods. Exception to the law of demand. Likewise, goods and services used by poor people for which richer people have alternatives exemplify inferior goods.

Demand falls with high price as people will start purchasing substitute products that cost less. The observed demand curve would slope upwardindicating positive elasticity.


As a rule, used and obsolete goods but not antiques marketed to persons of low income as closeouts are inferior goods at the time even if they had earlier been normal goods or even luxury goods. Public goods Private goods includes household goods Common goods Common-pool resource Club goods Anti-rival goods Global public goods Global commons.

A special type of inferior good may exist known as the Giffen goodwhich would disobey the ” law of demand “. The law of demand states that the demand for goods and services increase as prices diffedence and the demand falls as prices increase.

As rice prices increase, people will consume the same quantity or more by devoting all their income to the one betwefn that they are able to afford.

As against this for inferior goods, the price effect would be positive, when there is a fall in prices. Inferior goods take into consideration the income effect.

It is very unlikely that giffwn three conditions for the Giffen good case to occur will be satisfied in the case of any ordinary good. Suppose an individual is induced to buy a car by a small rise in income, he will then be forced to economize on several goods which he was previously consuming. Ask for details Follow Report by Debargha Post as a guest Name.

Suppose the price of iinferior X falls so that the opportunity line shifts from position aa to bb. Further credit goes to J.

Since negative income effect is larger than the substitution effect, B lies even to the left of showing fall in consumption of X as a result of the fall in its price.

And even after the rise in prices of bread, it is still the least costly food item, so the demand for it increased. Thus, it is the weak logical ordering and preference hypothesis which are the hallmarks of the methodology of Hicks in his new theory of demand as distinct from indifference curve approach.

But there are some goods of which the consumption is known to diminish with the increase in income, that is, income effect for them is negative.

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