Understanding Supply and Demand in the Wheat Market
Explore a hands-on activity where students learn how supply and demand interact in the wheat market through buying and selling rounds. The activity helps students grasp the concepts of pricing, competition, and market dynamics. Questions prompt critical thinking about pricing trends and the influence of buyers and sellers. Market events and scenarios further enhance understanding of real-world economic factors. Engage in the simulation to gain practical insights into the forces shaping market behavior.
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Presentation Transcript
Supply and Demand A MARKET IN WHEAT
Todays Objective After today s lesson, students will be able to Explain how supply and demand work together Essential Skill: Demonstrate understanding of concepts
A Market in Wheat Read over the instructions for this activity
BUY AND SELL! ROUND 1 ROUND 2 ROUND 3
Hints! More transactions = More chances at profit. You must buy and sell each round You should not let other students see your card You can only have one card at a time You do not have to make a profit with every transaction. Win the war, not all the battles. Check in on the class transactions tally to see what wheat is going for these days!
Questions At what price was wheat most frequently sold in each round? Why did the prices become more clustered together in the later rounds? Did buyers or sellers determine the price for wheat? How did competition among the sellers and the buyers influence the price?
Market Event wheat redwood lumber cigars butter paper Hula hoops A drought destroys much of the crop. Environmentalists urge consumers to boycott redwood products. A new study shows that smoking cigars results in lots of wrinkles. The price of margarine goes up. The price of wood pulp rises. Brad Pitt confides to People magazine that "he gets a big kick out of his hula hoop." The average price of stocks falls by over 20% between now and the end of the year. Large sports-utility vehicles (like Suburbans and Expeditions) become more popular. Heavy rain is forecast. E. Coli bacteria is found in another meat plant. Two oil supertankers collide. The price of hamburger rises. There's an early frost which destroys much of the crop. A new pesticide is developed which controls tent caterpillars. The government bans the use of pesticides. yachts gasoline umbrellas tofu gasoline hamburger oranges apples grapes
wine U.S. cars hospital beds cement Video rentals windshields Taxi service Bike helmets melons Lucerne milk jellybeans Oreo cookies Burger King whoppers Hot dogs Hot dog buns butter candles The average wage of grape harvesters rises by 10%. The U.S. imposes a tariff on Japanese car imports. Scientists discover a pill that cures cancer. A 7.9 earthquake hits San Francisco. The price of getting cable TV goes up. A new law is passed requiring gravel trucks to cover their loads with tarps. Local subway workers go on strike The price of bicycles goes down The cost of water goes up. The price of Safeway milk goes down. The price of jellybeans goes up. The price of milk increases. McDonald's lowers the price of Big Macs. 60 Minutes does an expose called "The Truth about Hot Dogs." The price of flour rises Mad Cow Disease wipes out a lot of dairy cows. An electric company official announces that a computer bug will likely result in power outages.
Situation Supply or quantity supplied? A coffee producer notices an increase in coffee prices and responds by increasing coffee production A local bakery is able to obtain ingredients for making baked goods at a lower cost The government collects a new tax from firms on each unit of output produced A new technology is discovered that enables firms to produce more output from the same quantity of an input The government gives firms a subsidy for each unit of a good that is produced Book publishers have an expectation that e-book sales will surge in the next year and prices rise QS S S S S S QS S The price of oil decreases Favorable market conditions bring more sellers into the market
Pencil producers expect an increase in the price of pencils in the near future. Decrease The number of pencil producers decrease. The government subsidizes the production of pencils. Decrease Increase The price of pencils increases A technological innovation lowers the cost of producing pencils No Effect Increase The government taxes producers of pencils Wage rates for workers who make pencils increase. Decrease Decrease
Along a supply curve, if the price of oil falls, what will happen to the quantity of oil supplied? It will decrease It will increase It will not change If the price of cars falls, carmakers are likely to make ___________. More cars Fewer cars The same amount of cars
All other things held constant, which of the following would not cause a change in the supply of beef? A decrease in the price of beef A decrease in the price of cattle feed An increase in the price of cattle feed An increase in the cost of transporting cattle to market Falling oil prices have caused a sharp decrease in the supply of oil Speaking precisely, and using terms as they are defined by economists, choose the statement that best describes this quotation. The quotation is correct: a decrease in price causes a decrease in supply. The quotation is incorrect: a decrease in price causes an increase in supply, not a decrease in supply. The quotation is incorrect: a decrease in price causes an increase in the quantity supplied, not a decrease in supply. The quotation is incorrect: a decrease in price causes a decrease in the quantity supplied, not a decrease in supply.
Bottom Line The price of nearly everything that you buy is determined by the interaction of supply and demand. Supply and demand also determine the quantity of goods and services that are bought and sold in a market.
Putting it Together To determine price, we put both the supply and demand curve together on the same graph Next we establish an equilibrium price: point at which the quantity supplied equals the quantity demanded Equilibrium is found at the point where the two lines intersect
Four Single Shifts Memorize 1.Demand , then P , and Q 2.Demand , then P , and Q 3.Supply , then P , and Q 4.Supply , then P , and Q
Increase in Demand S0 B 60 A 50 D1 D0 0 80 90 100 Quantity of Video Games (thousands)
Decrease in Demand S0 E1 Pe1 E Pe D1 D0 Qe1Qe 0 Quantity of Video Games (thousands)
Increase in Supply S0 S1 E $50 E1 30 D0 0 80 95 Quantity of Video Games (thousands)
Decrease in Supply S1 S0 E1 $60 E 40 D0 0 90 100 Quantity of Video Games (thousands)
https://www.youtube.com/watch?v= V0tIOqU7m-c Practice Single Shifts Worksheet
Dual Shifts-When both curves move D S P ? Q D S P ? Q D S P Q? D S P Q?
CHANGES IN BOTH SUPPLY AND DEMAND If supply and demand decrease by the same amount, price will be unchanged and the quantity will decrease.
CHANGES IN BOTH SUPPLY AND DEMAND If supply decreases less than demand, price will decrease and quantity will decrease.
CHANGES IN BOTH SUPPLY AND DEMAND If supply decreases more than demand, price will increase and quantity will decrease.
CHANGES IN BOTH SUPPLY AND DEMAND If supply increases and demand decreases, the price will decrease and the quantity will not change.
Practice Take a worksheet from the front to practice double shifts. There will also be examples of single shifts
