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Statistical Techniques in Business and Economics15th EditionDouglas A. Lind, Samuel A. Wathen, William G. Marchal 1,236 solutions After you have worked through this section of the learning unit, you should be able to: Let us use the same approach to look at a second scenario. Let’s assume that fried chicken pieces and chicken burgers are substitutes. There is a decrease in the cost of production of chicken burgers, which led to a decrease in the price of chicken burgers. How will this event affect the market for fried chicken pieces? Are we dealing with a demand or a supply factor?This is a demand factor since the price of a substitute is an important determinant of demand. What would happen to the demand for fried chicken pieces if the price of fried chicken burgers were to decrease?The demand for fried chicken pieces would decrease since households would rather buy chicken burgers than fried chicken pieces. Would this decrease in the demand for fried chicken pieces cause a rightward shift or leftward shift of the demand curve for fried chicken pieces?Market for fried chickenIt is a leftward shift to indicate that at each price the quantity demanded is lower. The next diagram indicates the end result of a decrease in the demand for fried chicken pieces. What happened to the equilibrium price and the equilibrium quantity?A decrease in demandIt is a leftward shift to indicate that at each price the quantity demanded is lower. Using a comparative static analysis, a comparison of the initial equilibrium, E, with the new equilibrium, E1, indicates that both the equilibrium price and the equilibrium quantity decreased. Let us now turn our attention to the dynamics, which describe the adjustment process in the event of a decrease in demand. THE ADJUSTMENT PROCESS OF A DECREASE IN DEMANDBefore we analyse the adjustment process that occurs in the market, let us look again at the end result. A decrease in demandA decrease in demand causes a leftward shift of the demand curve from D to D1, and a new equilibrium position is reached. By comparing the new equilibrium position with the previous equilibrium position, you can see that the equilibrium price decreases from R4 to R3 and the equilibrium quantity decreases from 3 000 to 2 400. What happens in the market is that the decrease in demand leads to a lower equilibrium price and a lower equilibrium quantity demanded and supplied. A decrease in demand creates an excess supplyA decrease in demand creates an excess supplyA decrease in demand creates an excess supplyA decrease in demand creates an excess supplyA decrease in demand creates an excess supplyThe market is now in disequilibrium because suppliers cannot sell the quantity they planned to sell at R4. As you know, excess supply forces suppliers to cut the price of the good or service. As the price declines, the quantity supplied will decrease and the quantity demanded will increase. The surplus thus declines. An excess supply decreases the priceAn excess supply decreases the priceAn excess supply decreases the priceAn excess supply decreases the priceAn excess supply decreases the priceAssume the price decreases to R3,50. When the price decreases to R3,50, two things happen in the market: the quantity demanded increases from 1 800 to 2 000, while the quantity supplied decreases from 3 000 to 2 600 pieces and the excess supply decreases to 600. The decrease in price is encouraging buyers to increase the quantity bought and the supplier to decrease the quantity supplied. The combined effect of this is that the excess supply or surplus decreases. An excess supply decreases the priceAn excess supply decreases the priceThis trend will continue until a new equilibrium position is reached where the quantity demanded is equal to the quantity supplied – this new equilibrium position is where the equilibrium price is R3 and the equilibrium quantity is 2 400. Note that the supply curve does not shift – a movement occurs along the supply curve. In terms of a chain of events, the impact of a decrease in demand on the equilibrium price and quantity can be described as follows: ↓Demand → Excess supply (Qd < Qs) → → ↑Pe ↑QeWatch the following video clip on the adjustment process is demand decreases.ActivityDo the following activity to see if you understand the impact of change in demand on the market: Use the following diagram, which illustrates the market for ice cream, to explain what happens to the equilibrium price and quantity if the number of potential consumers decreases:
Correct. The number of consumers (households) are a demand factor. Think again. The number of consumers (households) are a demand factor. Correct. A decrease in the number of potential buyers (consumers) decreases the demand. Think again. There are less consumers now. Think again. It is a demand factor that has changed. Think again. It is a demand factor that has changed. Correct. It is a demand factor and therefore the demand curve shfits. Think again. It is a demand factor Think again. Less consumers meand less demand. Correct. Think again. At the existing market price the quantity demanded is less than the quantity supplied.
Correct. Since the quantity demand is now less than the quantity supplied and excess supply is created. Think again. Less consumers meand less demand. Correct. Think again. An excess supply exists in the market. If and excess demand existed the price would have increased. Correct. The excess supply leads to a decrease in the price. f. The process continues until a new equilibrium is reached where the price is (higher; lower) and the quantity is (higher; lower). Think again. A decrease in demand leads to a lower price. Correct. A decrease in demand lowers the equilibrium price. Think again. A decrease in demand leads to a lower quantity. Correct. A decrease in demand lowers the equilibrium quantity. What happens to demand curve when price increases?Understanding the Demand Curve
The demand curve will move downward from the left to the right, which expresses the law of demand—as the price of a given commodity increases, the quantity demanded decreases, all else being equal.
How does this affect the demand curve for chicken?The demand for chicken increases; the demand curve shifts right on the graph representing the chicken market. At the same time, the new breed of chicken costs less to feed; the reduction in cost shifts the supply curve down .
What will happen to the demand for chicken if the price of beef increases?If the price of beef increases, people will shift to consuming chicken and this will cause an increase in the demand for chicken. In the market for chicken, the demand curve for chicken will shift to the right and as a result of the increase in demand, the equilibrium price and quantity of chicken will increase.
Why has the demand for chicken increased?David Sanz, meat and seafood merchandiser at PCC Community Markets, additionally shared that consumers lean toward chicken because it is perceived as easier to prepare compared to other meat options. Because of these reasons, demand has continued to skyrocket.
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