澳洲幸运5官方开奖结果体彩网

Equilibrium Price: Definition, Types, Example, and How to Calculate

Definition
Equilibrium is the state in which market supply and demand balance each other, and as a result prices become stable.

What Is Equilibrium?

Equilibrium is the state i🐽n which prices become ✱stable when market supply and demand balance. Generally, an over-supply of goods or services causes prices to go down, which results in higher demand—while an under-supply or shortage causes prices to go up resulting in less demand.

The balancing effect of 澳洲幸运5官方开奖结果体彩网:supply and demand results in a state of equilibrium.

Key Takeaways

  • A market is said to have reached equilibrium price when the supply of goods matches demand.
  • A market in equilibrium demonstrates three characteristics: the behavior of agents is consistent, there are no incentives for agents to change behavior, and a dynamic process governs equilibrium outcomes.
  • There are several types of equilibrium used in economics.
  • Disequilibrium is the opposite of equilibrium and it is characterized by changes in conditions that affect market equilibrium.
  • In reality, markets are never in perfect equilibrium, although prices do tend toward it.
Equilibrium

Investopedia / Paige McLaughlin

Understanding Equilibrium

The 澳洲幸运5官方开奖结果体彩网:equilibrium price is where the supply of goods matches demand. When a major index experiences a period of consolidation or sideways momentum, it can be said that the forces of supply and 😼demand are relatively equal and the market is in a state of 🌸equilibrium.

Economists find that prices tend to fluctuate around the equilibᩚᩚᩚᩚᩚᩚ⁤⁤⁤⁤ᩚ⁤⁤⁤⁤ᩚ⁤⁤⁤⁤ᩚ𒀱ᩚᩚᩚrium leve🙈ls. If the price rises too high, market forces will incentivize sellers to come in and produce more. If the price is too low, additional buyers 🌊will bid up the price. These activities keep the equilibrium level in relative balan𒀰ce over time.

Special Considerations

Economists like Adam Smith believed that a 澳洲幸运5官方开奖结果体彩网:free market would tend toward equilibrium. For example, a dearth of any one good would create a higher pr🧔ice generally, which would reduce demand, leading to an increase in supply provided the right incentive. The same would occur in reverse order provided there was excess inᩚᩚᩚᩚᩚᩚ⁤⁤⁤⁤ᩚ⁤⁤⁤⁤ᩚ⁤⁤⁤⁤ᩚ𒀱ᩚᩚᩚ any one market.

Modern economists point out that cartels or 澳洲幸运5官方开奖结果体彩网:monopolistic companies can artificially hold prices higher and keep them there in order to reap higher profits. The diamond industry is a classic example of a market where demand is high, but 澳洲幸运5官方开奖结果体彩网:supply is made artificially scarce by companies selling fewer diamonds in order to ke🦄ep pไrices high.

As noted by Paul Samuelson in his 1983 work Foundations of Economic Analysis, the term equilibrium with respect to a market is not necessarily a good thing from a normative perspective, and making that value judgment could be a misstep.

Markets can be in equilibrium, but it may not mean that all is well. For example, the food markets in Ireland were at equilibrium during the great potato famine in the mid-1800s. Higher profits from sell𝓀ing to the British made it so the Irish and British market was at an equilibrium♔ price that was higher than what consumers could pay, and consequently, many people starved.

Equilibrium vs. Disequilibrium

When markets aren't in a state of equilibrium, they are said to be in 澳洲幸运5官方开奖结果体彩网:disequilibrium. Disequilibrium can happen ✅in a flash in a more stable market or can be a systematic charac🅺teristic of certain markets.

At times disequilibrium can spill over from one market to another—for instance, if there aren’t enough transport companies or resources available to♏ ship coffee internationally then the coffee supply for certain regions could be reduced, affecting the equilibrium of coffee markets. Economists view many labor markets as being in disequilibrium due toܫ how legislation and public policy protect people and their jobs, or the amount they are compensated for their labor.

Types of Equilibrium

Economic Equilibrium

澳洲幸运5官方开奖结果体彩网:Economic equilibrium refers broadly to any state in the economy where forces are balanced. This can be related to prices in a market where supply i🌞s equal to demand, but can also represent the level 💧of employment, interest rates, and so on.

Competitive Equilbrium

The process by which equilibrium prices are reached is through a 澳洲幸运5官方开奖结果体彩网:process of competition. Among sellers to be the low-cost producer to grab the largest market share, and also among buyers to snatജch ⛦up the best deals.

General Equilibrium

澳洲幸运5官方开奖结果体彩网:General equilibrium considers the aggregation of forces occurring at the macro-economic level, and not the micro forces of individual markets. It is a cornerstone of 澳洲幸运5官方开奖结果体彩网:Walrasian economics.

Underemployment Equilibrium

Economists have found that there is a level of persistent unemployment that is observed when there is general equilibrium in an economy. This is known as 澳洲幸运5官方开奖结果体彩网:underemployment equilibrium, and is predicted by 澳洲幸运5官方开奖结果体彩网:Keynesian economic theory.

Lindahl Equilibrium

澳洲幸运5官方开奖结果体彩网:Lindahl equilibrium is a special case where, in theory, the optimal amount of public goods is produced and the cost of 澳洲幸运5官方开奖结果体彩网:public goods is fairly shared among everyone. It describes an ideal state rarely, if ever, achieved in reality, but is used to help craft tax policy and is an important concept in 澳洲幸运5官方开奖结果体彩网:welfare economics.

 Intertemporal Equilibrium

Because prices may swing above or below the equilibrium level due to proximate changes in supply or demand at a given moment, it is best to look at this effect over time, known as 澳洲幸运5官方开奖结果体彩网:intertemporal equilibrium. The concept is also used in understanding how firms a🐎nd households budget and ꧑smooth spending over longer time horizons.

Nash Equilibrium

In 澳洲幸运5官方开奖结果体彩网:game theory, 澳洲幸运5官方开奖结果体彩网:Nash equilibrium is a state of play whereby the optiꦏmal st🍌rategy involves considering the optimal strategy of the other player or opponent.

Fast Fact

The 澳洲幸运5官方开奖结果体彩网:prisoner's dilemma is a com♓mon situation in game theory that exemplifies the Nash equilibrium.

Example of Equilibrium

A store manufactures 1,000 spinning tops and retails them at $10 per piece. But no one is willing to buy them at that price. To pump up demand, the store reduces its price to $8. There are 250 buyers at that price point. In response, the store further slashes the retail cost to $5 and garners five hundred buyers in total. Upon further reduction of the price to $2, one thousand buyers of the spinning top materialize.ꦕ At this price point, supply equals demand. Hence $2 is the equilibrium price for the spinning tops.🙈

What Happens During Market Equilibrium?

When a market is in equilibrium, prices reflect an exact balance between buyers (demand) and sellers (supply). While elegant in theory, markets are rarely in equilibrium a꧂t a given moment. Rather, equilibrium should be thought of as a long-term average level.

How Do You Calculate Equilibrium Price?

In economics, the equilibrium price is calculated by setting the supply function and 澳洲幸运5官方开奖结果体彩网:demand function equal to one another and solving for the price.

What Is Equilibrium Quantity?

The amount supplied that exactly equals demand is the 澳洲幸运5官方开奖结果体彩网:equilibrium quantity. 🦩In such a case, there will neither be an oversupply nor a shortage.

Article Sources
Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more about the standards we follow in producing accurate, unbiased content in our editorial policy.
  1. Paul A. Samuelson. "Foundations of Economic Analysis." Harvard University Press, 1983.

Open a New Bank Account
The offers that appear in this table are from partnerships from which Investopedia receives compensation. This compensation may impact how and where listings appear. Investopedia does not include all offers available in the marketplace.

Related Articles