20+ Difference between Supply and Quantity Supplied

The critical distinction between supply and quantity supplied lies in their scope.

Supply refers to the entire range of goods or services that producers can offer at various prices over a specific period. On the other hand, quantity supplied refers to the specific amount of a product that suppliers are willing to provide at a given price point.

Understanding this difference is crucial in analyzing market dynamics and evaluating the impact of price changes on the quantity of goods available.

Supply vs Quantity Supplied: Comparison

ParameterSupplyQuantity Supplied
DefinitionThe amount vendors offer for sale; goods/services they’re ready to sell to end users.Amount of product or service a company is ready, willing, and able to sell at a specific price and time.
What it representsFuture financial gains can be projected and planned for in market trading, leading to monetary profit.Amount of product a seller is willing to sell for a specified price.
Read fromSupply total goods offered; the entire range of goods/services producers offer. Quantity supplied specific amount provided at a given price. Specific amount at a given price.
Effect of curve shiftEvent triggers variable changes, impacting variables in a chain of events.Quantity is neither significant nor insignificant enough to influence decision-making.
MovementSupply total goods offered; the entire range of goods/services producers provide. When prices change, supply can shift, affecting market price and quantity available. Even small changes can impact the supply curve.

What Is Supply?

Supply, in economics, refers to the goods and services a corporation offers to its clientele. When it comes to economics, supply is one of the most intricate areas due to the abundance of sophisticated mathematical calculations, charts, and graphs involved.

Anything from products and services to human resources may be considered a supply. The supply curve is the price-volume relationship graph.

The supply curve is a graph depicting the whole range of quantities and prices currently accessible in the market.

how it works of supply

Key Difference: Supply

  • 1 In economics, supply is ground zero. It indicates the range of unit sales prices and unit sales volumes to which the manufacturer is open. 
  • 2 Supply is the market’s ability to sell a product or service at a certain price. The item’s availability may be gauged from the supply schedule or supply curve. 
  • 3 All quantities and prices on the market are included in the supply. A supplier’s supply curve shifts to the right or left due to changes in the supply. 
  • 4 The supply curve shifts suddenly, influencing all the parameters. Both increases and decreases in supply fall under the category of supply types. 
  • 5 In economics, this word refers to the practice of selling products and services in varying amounts at a range of prices set by the producers. 
  • 6 In its entirety, a supply curve may be used to depict this. That’s the number of products available at different pricing. 
  • 7 The supply curve shifts in response to any change in variables other than commodity prices. The producer’s willingness to provide is subsequently diminished. 
  • 8 The slope of the supply curve represents a product’s supply. When there is a shift in supply, the whole supply curve shifts to reflect the new reality.
Example Of Supply
A smartphone manufacturer may supply 10,000 smartphones per month at a price of $500. If the price increases to $600, the manufacturer might increase their monthly supply to 12,000 smartphones to meet the higher demand. Conversely, if the price drops to $400, the supply may decrease to 8,000 smartphones. Factors such as production capacity, costs, market demand, and price levels influence the supply of a product.

What Is Quantity Supplied?

The available quantity is defined as the price at which the supply curve for a product or service equals the demand curve.

It may also mean the desired quantity of a product or service at a certain market price. Suppliers are said to have “provided” that amount when they provide a predetermined amount in response to demand.

There is a discrepancy between the total supply and the quantity supplied as well. The market pricing rates have a significant impact on the amount supplied.

how it works quantity supplied

Key Difference: Quantity Supplied

  • 1 At a given price in the market, the quantity provided is the entire amount of a commodity that providers are willing to make available.
  • 2 The supply amount corresponds to the specified location on the supply curve. How much is delivered depends on the price and the quantity ordered. 
  • 3 If more is delivered, the provider’s supply curve will increase, and vice versa. This little shift in the amount delivered shows no appreciable shift in supply. 
  • 4 Supply may either increase or decrease in amount. The competition rate between comparable items, the economic crisis, income, etc., is all variable.
  • 5 Whether or whether manufacturers are willing to make a product depends on the market price at which that product is selling. 
  • 6 Compared to the actual quantity of products provided, it is off (total supply). Economics refers to the precise quantity of a product or service sold at a certain price. 
  • 7 It’s the quantity of a product that manufacturers are prepared to ship out to fulfill consumer demand. Changing it causes a shift in the cost of the item. 
  • 8 An arbitrary point on the supply curve may be used to represent the supply. When the amount provided varies, there is just a corresponding change in the supply curve.
Example Of Quantity Supplied
Quantity supplied refers to the specific amount of a product that a producer can offer for sale at a given price. For instance, a strawberry farmer may supply 200 pounds of strawberries per day at a price of $4 per pound. If the price increases to $5 per pound, the farmer might increase the supply to 250 pounds. Conversely, if the price drops to $3 per pound, the supply may decrease to 150 pounds. Factors such as production capacity, costs, market conditions, and price levels influence the quantity supplied.

How Is Supply Different From Quantity Supplied?


  • Supply – The supply of a product or service is defined as the quantity of that thing or service that sellers are prepared to make available to buyers at an agreed-upon price within a certain time.

    Therefore, a provider’s supply comprises all of the goods and services that they are willing and able to give end customers of their product or service.
  • Quantity Supplied – On the other hand, the quantity offered is the amount of a product or service that a company is ready, willing, and able to sell at a specific price and at a specific time.

    Contrast this with the quantity accessible, which is the amount of a product or service that is really in stock at any one time.

Dependence factors:

  • Supply – Although this list is not exhaustive, some examples of the kinds of variables that have the potential to have an effect on supply include problems of a technical nature, shifts in the cost of raw materials, the occurrence of natural catastrophes, and other concerns of a similar nature. This list does not include everything that could potentially have an effect on supply.
  • Quantity Supplied – When it comes to determining how much of a supply there is, several positive and negative factors are taken into account.

    A few examples of these factors include a person’s income, the state of the economy, the level of competition from other products of comparable quality, and so on and so forth.

    Other examples of these factors include the age of the product, the number of reviews it has received, and so on and so forth.


  • Supply – The term “supply” refers to the production that a company intends to provide for a certain market.

    A supply curve and a graph that depicts the supply are shown below to make the link between prices and quantities easier to understand and simplify. Everything, from the feasible expenses to the conceivable volumes, has been considered.
  • Quantity Supplied – Quantity given, on the other hand, is shorthand for a particular position along the supply curve.

    When discussing economics, the word “quantity supplied” describes how much of a good or service would be made available for a certain price.

    The phrase “quantity supplied” most often refers to a numeric figure that shifts depending on the prices and quantities shown during a certain period or arrangement of circumstances.

Projection on the graph:

  • Supply – When we speak about “supply,” we’re referring to the whole supply curve, which considers every place where the curves for price and quantity intersect. When we refer to “supply,” we are talking about the full supply curve in its entirety.
  • Quantity Supplied – The supply curve is a graphical representation of the “quantity provided,” which is the one-of-a-kind combination of price and quantity at the moment when they are both at their highest levels.

    The “quantity provided” can measure the market’s capacity to meet demand at any given time. The “quantity provided” may be located at the point where the supply curve and the demand curve connect with one another.

How it works:

  • Supply – The supply curve will move to the right as more supply is made available. Under these circumstances, there would be an increase in the supply and a possible increase in the price on the market.

    The availability is highly dependent on a diverse set of factors. A movement to the left is an indication that supply is decreasing.
  • Quantity Supplied – On the continuum, changes in the quantity that is provided are said to occur “from one point” to “another point.” Generally speaking, the shift happens whenever there is a change in the price of a product or service.

    When there is a movement in the supply curve, whether it is downward or upward, it will frequently have an effect on both the market price and the available amount.

    Alternatively, a little shift in supply may have a minor impact on the whole supply curve.
comparison between supply and quantity supplied

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Frequently Asked Questions (FAQs)

Q1. What exactly is the idea of supply?

The term “supply” refers to the entire quantity of a certain commodity or service that is made accessible to customers, and it is one of the most basic economic concepts.

When examining a supply and demand graph, “supply” might indicate either the total amount of a good or service available at a single price or the total amount available throughout a range of prices.

Q2. In what specific ways might the supply be used, exactly?

The supply chain has many primary objectives, the most important of which are to fulfill the requirements of the clientele, improve the company’s responsiveness, boost customer value, contribute to the company’s financial performance, and build a reliable network.

Deliveries should be made more quickly, and increased efficiency and faster cash flow should be the most basic goal of good supply chain management.

Q3. What specific effects does the supply have on us?

If there is a surplus of supply over demand for a product or service, prices will naturally fall since this is one of the fundamental principles of economics.

When there is more demand than there is supply, prices have the propensity to go up.

When there is no change in the level of demand for a commodity or service, an inverse link exists between the level of supply and the price of that good or service.

Q4. Explain the concept that is often referred to as the rule of quantity supplied.

The principle of supply sometimes called the rule of supply, holds that as the price of a commodity or service rises, so too will the number of willing providers who can meet the rising demand.

This remains true on the condition that there is no change to any of the other features of the market.

Q5. Are the prices reasonable considering the quantity that is provided?

The term “equilibrium pricing” refers to the optimal price when both consumer and producer wants are satisfied.

To put it another way, at this price point, the quantity that customers are willing to buy (or the quantity demanded) is the same as the quantity that manufacturers are eager to sell.

Put another way, this is the price at which the market is considered to be in equilibrium.

difference between supply and quantity supplied

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