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Similarly, the upward slopping curve also depicts a direct co-variation between price and supply. It describes seller’s supply behaviour under given conditions. It has been observed that usually sellers are willing to supply more with a rise in prices. The law of supply does not apply to precious, rare, or artistic items. For example, even if the price increases, the number of rare items like the Mona Lisa artwork cannot be increased.
This curve is also known as an “Exceptional Supply Curve” as such a thing happens only in some exceptional cases like—labour supply or savings. Supply of labour after a certain point, when the wage rate rises, its supply will tend to diminish. Why such situation because workers normally prefer leisure to work after receiving a certain amount of wage. Sellers are willing to offer more perishable commodities, such as fruits, vegetables, and other foods, even if prices are dropping.
IBO was not involved in the production of, and does not endorse, the resources created by Save My Exams. Let us discuss important exceptions to the law of supply in detail. This law can be explained with the help of a supply schedule as well as by a supply curve based on an imaginary figures and data. In other-words, it can be said that—”Higher the price higher the supply and lower the price lower the supply.”
Ah, the rational producer—a calculated decision-maker guided solely by logic, profit, and market signals. The law of supply leans heavily on this image, portraying producers as predictable agents who respond methodically to price changes. As a result, greater production and an increase in the supply of the commodity will occur. The supply curve will shift to the right of the original supply curve. There will be a reduction in the supply of that commodity because the quantity demanded decreases with a price rise.
Supply elasticity is a crucial concept in economics that quantifies how responsive producers are to changes in price. It depends on factors such as time horizon, production capacity, availability of inputs, and market structure. Understanding supply assumptions of law of supply elasticity is essential for making informed economic decisions and analyzing market behavior.
For certain products like agricultural commodities, supply is also impacted by factors such as weather and crop yields. The law of supply, along with the law of demand, is essential in explaining how resources are allocated and prices are set in market economies. The supply curve slopes upward because, over time, suppliers can choose how much of their goods to produce and later bring to market. The chart below depicts the law of supply using a supply curve, which is upward sloping. Each point on the curve reflects a direct correlation between quantity supplied (Q) and price (P). So, at point A, the quantity supplied will be Q1 and the price will be P1, and so on.
The supply curve is vertical, meaning the quantity supplied does not change at all, no matter how high or low the price goes. The law of supply assumes the market operates under conditions of perfect competition, where producers have the freedom to adjust their supply without facing significant barriers. In reality, imperfect competition (monopolies, oligopolies) can distort supply decisions, as firms might not respond to price changes in the same way.
On the other hand, with fall in prices, supply also decreases as profit margin decreases at low prices. The rise or fall in supply may take place due to changes in the cost of production of a commodity. If the prices of various factors of production used for a particular commodity increase, then the total cost of production will also increase. According to the law of supply, the quantity supplied increases with a rise in the price of a product and vice versa while other factors are constant. The other factors may include customer preferences, size of the market, size of population, etc. In this case, the supply curve becomes steeper as price increases.
The positive slope of the supply curve SS1 establishes the law of supply and shows the positive relationship in between price and quantity supplied. Further rise in price to Rs.40 and then to Rs.50 per kg results in increase in quantity supplied by the seller to 4kg and then to 5kg. Thus, the above schedule shows that there is positive relationship in between price and quantity supplied of a commodity. The given schedule shows positive relationship between price and quantity supplied of a commodity. In the beginning, when the price is Rs.10 per kg, quantity supplied by the seller is 1kg. As the price increases from Rs.10 per kg to Rs.20 per kg and then to Rs.30 per kg, the quantity supplied by the seller also increases from 1 kg to 2 kg and then to 3 kg respectively.
The company might supply 1,00,000 systems if the price is Rs 2,000 each, but if the price increases to Rs 3,000, they might supply 1,50,000 systems. Graphically, while presenting this concept, if supply is ‘Y’ axis and price is ‘X’ axis, a linear relationship is observed. The law of supply states that the price shows a linear relationship to the volume of goods when all other factors are equal. The price of a good or service will increase and, in turn, the size of goods or services that the suppliers offer will increase, and vice versa.
By seeing the diagram the conclusion can be drawn that when price rises supply increases and when the price reduces the supply reduces. “Other things remaining unchanged, the supply of a commodity rises i.e., expands with a rise in its price and falls i.e., contracts with a fall in its price. The law of supply reflects the general tendency of the sellers in offering their stock of a commodity for sale in relation to the varying prices. Agricultural products are exempted from the rule of supply as they are produced in response to climatic circumstances.
Price is a dominant factor in the determination of the supply of a commodity. As the price of a commodity increases, the supply of that commodity in the market also increases and vice-versa. This behaviour of the producers is studied through the law of supply.
This is the thirteenth assumption among the different assumptions of law of supply, This assumption imagines an idealized marketplace, free from political meddling. This is the ninth assumption among the different assumptions of the law of supply This assumption acknowledges the temporal lag between intent and action. This is the seventh assumption among the different assumptions of law of supply
If sellers expect a fall in price in the future, then the law of supply may not hold true. In this situation, the sellers will be willing to sell more even at a lower price. However, if they expect the price to rise in the future, they would reduce the supply of the commodity, in order to supply the commodity later at a high price. The law of supply states that a higher price for a good or service will lead producers to supply more of that good or service to the market. When they can get a higher price for something, they will produce more of it than they will of other, lower-priced goods and services. The number of suppliers available, the level of competition, the state of technology, and the presence of government support or restriction will play important roles.
Therefore, a change in price has no effect on the quantity supplied. Seller expectations about future price movements can directly contradict the law of supply. If sellers anticipate that prices will rise significantly in the future, they might reduce the current quantity supplied, even if current prices are high. They choose to hoard their stock to sell later for a greater profit. Conversely, if they expect prices to crash soon, they may increase the current supply to sell off their inventory quickly, even at falling prices.
For example, when college students learn that computer engineering jobs pay more than English professor jobs, the supply of students with majors in computer engineering increases. If consumers start paying more for cupcakes than for doughnuts, bakeries will increase their output of cupcakes and reduce their output of doughnuts to increase their profits. If the means of transport are cheap and fast, then the supply of the commodity can be increased at short notice at a lower price.