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Clearing the Market at Equilibrium Price and Quantity
When a market achieves perfect equilibrium there is no excess supply or demand, which theoretically results in a market clearing.
Define market equilibrium
The interdependent relationship between supply and demand in the field of economics is inherently designed to identify the ideal price and quantity of a given product or service in a marketplace.
A market clearing, by definition, is the economic assumption that the quantity supplied will consistently align with the quantity demanded.
Market clearing requires a variety of assumptions which simplify the complexities of real markets to coincide with a more theoretical framework, most centrally the assumptions of perfect competition and Say's Law.
While this concept of market clearing resonates well in theory, the actual execution of markets is very rarely perfect. The concepts of consolidated markets and 'sticky' markets reduces the accuracy of these models.
A holder of a position as supplier to a market or market segment that allows the holder to earn above-normal profits.
A textbook example of a monopoly was the Da Beers family, who owned the vast majority of diamond mines worldwide. Through effectively controlling the diamond market supply (via owning the mines), and warehousing the diamonds in a way to substantially alter the available supply, it became reasonably easy for Da Beers to charge prices in excess of what a reasonable equilibrium would be.
The interdependent relationship between supply and demand in the field of economics is inherently designed to identify the ideal price and quantity of a given product or service in a marketplace. This equilibrium point is represented by the intersection of a downward sloping demand line and an upward sloping supply line, with price as the y-axis and quantity as the x-axis . At perfect equilibrium there is no excess demand (represented by 'A' in the figure) or excess supply (represented by 'B' in the figure), which theoretically results in a market clearing.
A market clearing, by definition, is the economic assumption that the quantity supplied will consistently align with the quantity demanded. This definition requires a variety of assumptions which simplify the complexities of real markets to coincide with a more theoretical framework, most centrally the assumptions of perfect competition and Say's Law:
Perfect competition is a market where the price determined for a given good or service is not affected by external forces or competition in a way that allows incumbents (companies) to attain market influence.
Say's Law hinges on the concept that capital loses value over time, or that money is essentially perishable. The simplest way to view this law is interest rates. When you invest or owe money, that capital accrues interest due to the fact that there is an opportunity cost in not investing that money elsewhere. This opportunity cost creates the assumption that money will not go unused.
Combining these two assumptions, in a perfectly competitive market the amount of a product or service that is supplied at a given price will equate to the amount demanded, clearing the market of all goods/services at a given equilibrium point.
Theory and Practice
While this concept of market clearing resonates well in theory, the actual execution of markets is very rarely perfect. Markets demonstrate consistent shifts of supply and shifts of demand based on a wide spectrum of externalities. Even in static markets there is competitive consolidation that allows companies to charge differing price points than that of the equilibrium. The concept of monopolies provides a good example for this experience, as monopolies (see example) can control price and quantity simultaneously.
Another classic criticism of market clearing is the way in which the labor market functions. In the 1930's, during the worst depression recorded in the United States, the labor market did not clear the way economic theories of market clearing would assume it would. Instead, there seemed to be what John Maynard-Keynes (father of Keynesian Economics) called 'stickiness,' which preventing the market from normalizing. The importance of raising these concerns is the understanding that while the concept of market clearing, equilibrium and supply/demand charts are highly useful in understanding the basic functioning of markets, reality does not always conform with these models.
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, , , or Palm oil industry is rapidly growing in Indonesia and Malaysia. Both of these countriesare the largest supplier of palm oil in the world. 90% of the total palm oil inventory isproduced by these countries. Pakistan, China, India, European Union and United Statesare the major importer of Malaysian palm oil. Palm oil is used for cooking purposes, formaking margarine and it is also used in non-dairy creamers and ice cream. World demandof palm oil has significantly risen during last six years. In 2008, palm oil prices increasedabove the $1000 per metric ton and in 2011, these prices were $1200. After this, declinein palm oil prices started and in September 2015, these prices settled at $483 per metricton. There are many factors which affect the demand of palm oil like consumer income,price of other oils etc. Suppose the demand and supply equations of palm oil are given asfollows:Qs = 12000 + 50PQd =52000 - 30Pa) What is the market clearing level of quantity and price of Palm oil.b) Show the market equilibrium condition graphically.c) If P = $350 per metric ton then how much amount of shortage or surplus wouldoccur?d) Find out the price elasticity of demand and price elasticity of supply of palm oil atequilibrium price and quantity.