# Change In Supply And Change In Quantity Supplied Pdf

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## Change In Supply

Donate Login Sign up Search for courses, skills, and videos. Factors affecting supply. Change in supply versus change in quantity supplied. Lesson summary: Supply and its determinants.

Next lesson. Current timeTotal duration Google Classroom Facebook Twitter. Video transcript - [Instructor] We're going to continue our discussion on the law of supply and in particular in this video we're gonna get a little bit deeper to make sure we understand the difference between a change in supply and I'm just using the Greek letter delta here for shorthand for change in supply versus a change in quantity supplied and just as a bit of review, we've talked about it in other videos, supply is referring to the entire supply curve and this curve right over here has the typical shape of a supply curve following the law of supply.

At low prices, suppliers would provide low quantities and at higher prices, suppliers would provide higher quantities, so a change in supply would be a shift in this entire curve, so for example, if you were to go from this curve, let's call this S1 and we were to have a shift to the right, this right over here would be a change in supply, so we'd call this S2 and we would have this shift, you could view it as to the right or to the right and down, so this would be our change in supply.

Likewise, you could have a change in supply the other way where you go to the left and up depending on how you want to view it and so, this would be, we could call that supply curve three. These would all represent shifts in supply or changes in supply.

When we talk about quantity supplied, we're talking about shifts along one of these curves, so for example, at some price, so let's say we have this price P1 right over here, associated with that price we would have some quantity supplied, we have some quantity supplied.

Let's call it quantity supplied one and then let's say for some reason, we have a shift in price with the market forces not changing from a supplier's point of view and so, let's say we go to price two, let's say we go to price two, we would shift along that same curve, the curve itself wouldn't have shifted and so, then you have quantity supplied two, so change in supply is a shift of the curve to the left and up or to the right and down versus a change in quantity supplied is moving along the curve and the associated quantities.

Now, with that out of the way, let's do some tangible examples and think about would it result in a change in supply or a change in quantity supplied?

So, let's say that the government decides that gas prices are too high and so, they institute a price cap and we're gonna talk much more about price caps in future videos but a price cap might just say, and let's say that price cap is below the current price. So, let's say the current price is at P2 and that the price cap is at P3, so the government says, no one is allowed to charge more than P3 for gasoline.

What would that result in? Would that result in a change in supply or a change in the quantity supplied? Well, this is a classic case of a shift along a supply curve, the price was there before, now it shifts here and so, now we're going to have a different quantity supplied, so this would be quantity supplied three, so this is a change in quantity supplied and in this case, the change in quantity supplied would go down assuming that the price cap is below what the price was before the price cap.

Now, let's give another scenario. Let's say that the price of refining gas goes up. Price of refining goes up. What would that do? Would that be a change in supply or a change in quantity supplied? And pause this video to think about it. Well, this is something that would increase the cost of producing gasoline which is refined from oil across the board regardless of what price we're at, so this would be a general shift, this would be a change in supply and the entire supply curve, think about which way it would shift, think about it from a supplier's point of view.

At a given quantity, so let's say we're at this quantity right over here, at a given quantity, they would now want to charge a higher price and it doesn't apply to just that quantity, it could be this point in the curve, this point in the curve, this point of the curve, they'd want to charge a higher price to make up for the fact that refining is now more expensive and so, this would be a shift, you could view it up or shift upward and to the left.

You could also view it the other way. At a given price, suppliers would want to provide less quantity because they need to make up the fact that they're paying more for refining that gasoline and so, you could view that as a shift to the left or a shift of up and to the left and so, that would be in that direction, we're kind of shifting like that and then of course we could talk about a scenario that goes the other way. Well, let's say that the property tax in the entire market, property tax on gas stations goes down, so in theory, if the property tax goes down, the cost of running a gas station goes down and this is for everyone in the market, not just one player in the market and so, they might for a given price be able to supply more of a quantity or for a given quantity be able to lower the price.

Either way you could imagine shifting from S1 to something that looks like S2, going down and to the right and so, once again, this would be a change in supply because you would have a shift regardless of what price and quantity supplied you are actually at.

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## Change in supply versus change in quantity supplied

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Donate Login Sign up Search for courses, skills, and videos. Factors affecting supply. Change in supply versus change in quantity supplied. Lesson summary: Supply and its determinants.

How do changing expectations affect the demand curve? a A Change in Demand versus a Change in Quantity Demanded. Understanding the relationship.

## Using a Graph

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In this course, we've discussed fundamental concepts in economics - supply and demand. Hopefully the forces that cause changes in supply and demand aren't mysterious anymore. Let's recap. The law of demand describes the behavior of buyers. In general, people will demand - that is buy - more of a good or service at lower prices than at higher prices.

A change in demand refers to a shift in the entire demand curve, which is caused by a variety of factors preferences, income, prices of substitutes and complements, expectations, population, etc. In this case, the entire demand curve moves left or right:. Figure 1. Change in Demand. A change in demand means that the entire demand curve shifts either left or right.

HOARDING: The act of accumulating assets, especially goods or money, over and above that needed for immediate use based on the fear or expectation of future shortages and higher prices.

## Melville M.

In order to use scarce resources as efficiently as possible, an efficient information system is required - to bring together the values of the alternative uses of resources products with their production cost, and to co-ordinate the many decisions of consumers and producers.

## Ursulina C.

Supply and demand is a model for understanding the how prices and quantities are A “change in quantity demanded” means a movement along the demand.

## Glauc U.

If the price of bread changes, you move along your given supply curve. A change in the price of bread leads to a change in the quantity of bread supplied, and.