![]() Would shift to the left and down, so we'll call So, here if we have demand goes down, let's say a big study comes out that ice cream is even unhealthier than we originally thought, well, then at a given price, people are going to want, they're going to demand less ice cream and so, our demand curve Well, if demand goes down, you could imagine the More people just wanna buy ice cream, the supply curve dynamicsĪlong that supply curve to the right and up, so both price and quantity go up. In this situation where demand goes up, both price and quantity are going to go up assuming we have this upwards At our new equilibrium point, this is Q2 and then this right over here is P2, our new equilibrium price or our new equilibrium quantity. Shift to the right and up, let's call this D2 right over here and this is our new equilibrium point and then notice what What is going to happen in this world? Well, demand might go up because maybe there's some type of report that ice cream is much healthier for you than expected and so, at a given price, people are willing toĭemand a higher quantity, so for example, at that price, people would demand a higher quantity and so, we would have a Let's think about a situation where first let's think about a scenario where demand goes up. For the ice cream that's there, the equilibrium price Here where the supply goes down, maybe some of the iceĬream stores close down, well, now the quantity will go down, there's just less people supplying but the price goes up. If you have a supplierĮnter into the market, quantity might go up and there's more competition and so, a lot more suppliers and so, the price would go down. Is our equilibrium point? It's right over there and so, this would be our new price, it has gone up and this would be our new quantity, it has gone down, so price has gone up and quantity has gone down and once again, inĮither of these scenarios hopefully this feels a Our equilibrium quantity? Well, in this situation for a given price people are willing to supply less, that's how I would like to think about it, so we would have a shift to the left and up and so, we couldĬall this supply curve two right over here and that what What is going to happen to this graph and in particular, what's going to happen to our equilibrium price and All right, now let's do this example and let's imagine the other way, let's imagine in this scenario our supply goes down. If I draw a dotted line, we see our equilibrium price P2 is lower and our equilibrium quantity Q2 is higher, once again, assuming that we have a downwards sloping demand curve like this which is what you would typically see and so, in this case, let me just write it here, we have our quantity, actually, let me write it this way, we have our price goes down and our quantity goes up. Supply curve shift to the right, I'll call this S2 right over here, it's shifting to the right and down and so, given this, what happens to our equilibrium price and our equilibrium quantity? Well, you see it right over here. Supply more quantity, so here we would have our So, one way to think about it is at any given price, people are willing to So, in this first scenario, let's imagine that all of a sudden a major ice cream producer enters into the market, so here we're going to this first one, we're gonna think about a situation where the supply goes up. To the equilibrium price and the equilibrium quantity given different shifts in the supply or the demand curve or both of them. Now with that out of the way, let's think about what happens Label all of these things including P1 and Q1 and show this dotted line where it intersects the horizontal axis, this is Q1 and where it Sloping demand curve, D1 and where they intersect, that gives us our equilibrium price, P1 and our equilibrium quantity, Q1 and once again, if you were taking some type of a standardized test, it's important that you Kind of our starting point and then we have our downwards Q representing quantity, we have our upwards sloping supply curve. It's important to title your graphs, especially if you were taking some type of a standardized exam like an AP exam and in the vertical axis we have P representing price, and then the horizontal axis, ![]() ![]() Let's say in a given region in the ice cream market. Each of them is showing where we are right now, Have eight versions of the exact same diagram. What we're going to do in this video is think aboutĪll of the different ways that a supply curve orĪ demand curve can shift and that's why we actually
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