What is the amount of goods or services that producers are willing and able to sell?

Supply is defined as the quantity of a good or service that producers are willing and able to supply at a given price in each time period.

The law of supply is that as the price of a product rises, so businesses expand supply. Higher prices provide a profit incentive for firms to expand production

A supply curve shows a relationship between market price and how much a firm is willing and able to sell.

In this revision video we cover the key factors affecting market supply of goods and services, look at the concept of joint supply and then work through a small selection of past multiple-choice questions

Understanding Market Supply - Revision Video

In this revision video we explore some of the reasons why it is usually assumed that a supply curve normally slopes upwards.

Price Theory: Explaining an upward-sloping supply curve

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The law of supply and demand is perhaps one of the most fundamental concepts and it is the backbone of a market economy.

Demand refers to the quantity of a product or service that buyers want.

The quantity demanded of a product is the quantity that people are willing to buy at a given price; the relationship between the price and the quantity demanded is known as the demand ratio.

Supply represents how much the market can supply.

The quantity supplied of a given good is the quantity that producers are willing to supply when they receive a given price.

The correlation between the price and the quantity of a good or service supplied to the market is known as the supply ratio.

Price, therefore, is a reflection of supply and demand.

The relationship between demand and supply underlies the forces behind the allocation of resources.

In theories of market economics, the theory of demand and supply will allocate resources in the most efficient way possible.

How? Let us take a closer look at the law of demand and the law of supply.

The law of demand states that, all other things being equal, the higher the price of a good, the less people will demand that good.

In other words, the higher the price, the smaller the quantity demanded.

The quantity of a good that buyers purchase at a higher price is less because as the price of a good rises, so does the opportunity cost of buying that good.

As a result, people will naturally avoid buying a good that forces them to forego consumption of something else they value more.

The graph below shows that the curve is downward sloping:

What is the amount of goods or services that producers are willing and able to sell?

A, B and C are points on the demand curve. Each point on the curve reflects a direct correlation between quantity demanded (Q) and price (P).

Thus, at point A, the quantity demanded will be Q1 and the price will be P1, and so on.

The demand ratio curve illustrates the negative relationship between price and quantity demanded.

The higher the price of a good, the lower the quantity demanded (A), and the lower the price, the more the good will be demanded (C).

The law of supply

Like the law of demand, the law of supply shows the quantities that will be sold at a given price.

But unlike the law of demand, the supply ratio shows an upward slope.

This means that the higher the price, the higher the quantity supplied.

Producers supply more at a higher price because selling a higher quantity at a higher price increases revenue.

A, B and C are points on the supply curve.

Each point on the curve reflects a direct correlation between quantity supplied (Q) and price (P).

At point B, the quantity supplied will be Q2 and the price will be P2, and so on.

Time and supply

However, unlike the demand relationship, the supply relationship is a factor of time.

It is important for supply because suppliers must, but cannot always, react quickly to a change in demand or price.

Therefore, it is important to try to determine whether a price change caused by demand will be temporary or permanent.

Say there is a sudden increase in demand and price for umbrellas in an unexpected rainy season; suppliers can simply accommodate the demand by using their production equipment more intensively.

However, if there is a climate change and the population needs umbrellas all year round, the change in demand and price is expected to be long-term; suppliers will have to change their equipment and production facilities to meet long-term demand levels.

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How to fix the selling price to the public?

Is the quantity of a product that producers are willing and able to offer for sale?

Supply-a schedule or a curve showing the amounts of a product a producer is willing and able to produce and make available for sale at each of a series of possible prices during a specific period of time. Quantity Supplied-the amount of a good that firms choose to sell at a particular price.

What do you call the amount of goods a person is willing and able to sell at a given price?

Equilibrium: the quantity people are willing to buy equals the quantity people are willing to sell at each price. Excess Demand: the quantity demanded is greater than the quantity supplied at the given price. This is also called a shortage.

Is the amount or quantity of goods and services that consumers are willing to buy at various prices?

Economists use the term demand to refer to the amount of some good or service consumers are willing and able to purchase at each price.

Which term refers to the amount of a good or service that producers are willing and able to make available at a certain price?

Supply. The amount of a good or service that producers are able and willing to sell at prices during a specified time. Market. The process of freely exchanging goods and services between buyers and sellers.