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Supply and Demand Curves

Supply and Demand Curves

• The effects of changing supply and demand are found by plotting the two variables on a graph. The horizontal X-axis represents quantity and the vertical Y-axis represents price.
• The supply and demand curves intersect to form an "X" in the middle of the graph; the supply curve points upward and to the right, while the demand curve points downward and to the right. Where the two curves intersect is the price and quantity, based on current levels of supply and demand.
• A positive change in supply when demand is constant shifts the supply curve to the right, which results in an intersection that yields lower prices and higher quantity. A negative change in supply, on the other hand, shifts the curve to the left, causing prices to rise and the quantity to decrease.

For example, if a new technology reduces the cost of gaming console production for manufacturers, according to the law of supply the output of consoles will increase. With more output in the market, the price of consoles is likely to fall, creating greater demand in the marketplace and higher overall sales of consoles. This technological advancement has caused a change in supply
Supply Pattern Changes
Supply can increase or decrease depending on various factors discussed above. Let us understand the concepts of increase and decrease in Supply.
Changes in Supply continue till equilibrium is reached. To get more information on the changes in supply, visit Vedantu's website where you can get free study material, questions and solutions, and a lot more. .
Change in Supply Example
During the early 2010s, the development of hydraulic fracturing, or "fracking", as a method to extract oil from shale rock formations in North America caused a positive change in supply in the oil market. Non-OPEC oil production rose by over one million barrels per day, with most of the oil coming from fracking activity in North America.
Because of the increase in the supply of oil, the per-barrel price of oil, which had reached an all-time high of $147 in 2008, plunged as low as $27 in Feb. 2016. Economists predicted that lower prices would create greater demand for oil, although this demand was tempered by deteriorating economic conditions in many parts of the world.