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Chapter 1: Problem 5

How is each of the following events likely to shift the supply curve or the demand curve for fast-food hamburgers in the United States? Make sure you indicate which curve (curves) is affected and if it shifts out or in. a. The price of beef triples. b. The price of chicken falls by half. c. The number of teenagers in the economy falls due to population aging. d. Mad cow disease, a rare but fatal medical condition caused by eating tainted beef, becomes common in the United States. e. The Food and Drug Administration publishes a report stating that a certain weight-loss diet, which encourages the intake of large amounts of meat, is dangerous to one's health. f. An inexpensive new grill for home use that makes delicious hamburgers is heavily advertised on television. g. The minimum wage rises.

Short Answer

Expert verified
a. Supply curve shifts left; b. Demand curve shifts left; c. Demand curve shifts left; d. Demand curve shifts left; e. Demand curve shifts left; f. Demand curve shifts left; g. Supply curve shifts left.

Step by step solution

01

Analyze the Effect of Beef Prices Tripling

The increase in the price of beef significantly raises the production costs for fast-food hamburgers, as beef is a primary ingredient. Thus, the supply curve for fast-food hamburgers will shift to the left (or inward), indicating a decrease in supply at each price level.
02

Analyze the Effect of Chicken Prices Falling by Half

With a significant fall in chicken prices, consumers may substitute chicken for beef, particularly in fast-food consumption. This substitution effect causes the demand curve for fast-food hamburgers to shift to the left (or inward), reflecting a decrease in demand.
03

Analyze the Effect of a Decrease in Teenage Population

Teenagers are significant consumers of fast-food hamburgers. A decline in their population due to aging causes the demand curve for fast-food hamburgers to shift to the left (or inward), showing reduced demand.
04

Analyze the Effect of Mad Cow Disease Becoming Common

If mad cow disease becomes common, consumers may reduce their beef intake out of fear, shifting the demand curve for fast-food hamburgers to the left (or inward), indicating a decrease in demand.
05

Analyze the Effect of a Report Against a Meat-Heavy Diet

A report that discourages a meat-heavy diet will likely lead to a decrease in meat consumption, including beef. This causes the demand curve for fast-food hamburgers to shift to the left (or inward) due to a reduction in demand.
06

Analyze the Effect of Home Burger Grill Advertising

An inexpensive new grill that improves home burger quality could lead people to make more burgers at home rather than buying them at fast-food restaurants. This causes the demand curve for fast-food hamburgers to shift to the left (or inward), showing a decline in demand.
07

Analyze the Effect of a Rise in Minimum Wage

A rise in the minimum wage increases labor costs for fast-food restaurants, potentially raising prices or reducing supply. This cost increase causes the supply curve for fast-food hamburgers to shift to the left (or inward), indicating a decrease in supply.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Supply Curve
The supply curve is a fundamental concept in economics, depicting the relationship between the price of a good and the quantity of that good producers are willing to supply. Understanding how different factors affect the supply curve is crucial for analyzing market dynamics. In the context of fast-food hamburgers, events influencing costs will significantly impact the supply curve.
  • If the price of beef triples, the production cost for hamburgers rises, shifting the supply curve left. This reflects a decrease in supply available at each price point.
  • Similarly, a rise in the minimum wage would increase labor costs, causing a leftward shift in the supply curve.
These shifts indicate a reduction in the quantity of hamburgers that producers are willing or able to supply at existing prices.
Demand Curve
The demand curve illustrates how the quantity demanded by consumers varies with price. Several factors, beyond price, can cause shifts in this curve, reflecting changes in consumer preferences or external influences. Let's consider some scenarios that may affect the demand for fast-food hamburgers:
  • If chicken prices drop, consumers might favor chicken over beef, decreasing the demand for hamburgers. This substitution effect shifts the demand curve left.
  • A decline in teenage population, a key consumer group, also results in a leftward shift since fewer people would be buying fast-food hamburgers.
  • Reports of health risks associated with meat-heavy diets could scare off potential buyers, reducing demand.
Each of these factors shows how demand can shift based on consumer behavior and external influences, not just changes in price.
Market Equilibrium
Market equilibrium occurs where the supply and demand curves intersect. At this point, the quantity of hamburgers supplied equals the quantity demanded, stabilizing the market price. However, equilibrium can be disrupted by various factors:
  • If the supply curve shifts left due to higher production costs (e.g., pricier beef or increased wages), it creates a new, higher equilibrium price and a lower quantity.
  • Similarly, if the demand curve shifts left due to decreased preference for hamburgers, the equilibrium price drops, along with the quantity sold.
These shifts illustrate how changes in supply and demand intricately balance the market, impacting both prices and quantities available.
Consumer Behavior
Consumer behavior is a key driver of demand in the market. It involves the preferences and choices individuals make, often influenced by price, substitutions, trends, and external advisories. Let's examine some behavioral impacts on hamburger demand:
  • When alternative proteins like chicken become cheaper, consumers may switch preferences, reducing hamburger demand due to the substitution effect.
  • Increasing health consciousness, spurred by reports against meat-heavy diets, might lead to more consumers avoiding beef, thereby shifting their behavior and demand curve left.
  • The availability of home cooking options, such as effective new grilling technologies, could encourage consumers to eat at home, reducing their reliance on fast-food burgers.
Understanding these behaviors helps explain shifts in demand, offering insight into broader market trends.

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Most popular questions from this chapter

Determine the effects of the following events on the price and quantity of beer sold. Assume that beer is a normal good. a. The price of wine, a substitute for beer, decreases. b. The price of pizza, a complement to beer, increases. c. The price of barley, an ingredient used to make beer, increases. d. Brewers discover they can make more money producing wine than they can producing beer. e. Consumers' incomes increase as the economy emerges from a recession.

Suppose the demand for down pillows is given by \(Q^{D}=100-P\), and that the supply of down pillows is given by \(Q^{s}=-20+2 P\). a. Solve for the equilibrium price. b. Plug the equilibrium price back into the demand equation and solve for the equilibrium quantity. c. Double-check your work by plugging the equilibrium price back into the supply equation and solving for the equilibrium quantity. Does your answer agree with what you got in (b)? d. Solve for the elasticities of demand and supply at the equilibrium point. Which is more elastic, demand or supply? e. Invert the demand and supply functions (in other words, solve each for \(P\) ) and graph them. Do the equilibrium point and relative elasticities shown in the graph appear to coincide with your answers?

Out of the following events, which are likely to cause the demand for coffee to increase? Explain your answers. a. An increase in the price of tea b. An increase in the price of doughnuts c. A decrease in the price of coffee d. The Surgeon General's announcement that drinking coffee lowers the risk of heart disease e. Heavy rains causing a record-low coffee harvest in Colombia.

The cross-price elasticity of demand measures the percentage change in the quantity of a good demanded when the price of a different good changes by \(1 \%\). The income elasticity of demand measures the percentage change in the quantity of a good demanded when the income of buyers changes by \(1 \%\). a. What sign might you expect the cross-price elasticity to have if the two goods are shampoo and conditioner? Why? b. What sign might you expect the cross-price elasticity to have if the two goods are gasoline and ethanol? Why? c. What sign might you expect the cross-price elasticity to have if the two goods are coffee and shoes? Why? d. What sign might you expect the income elasticity to have if the good in question is hot stone massages? Why? e. What sign might you expect the income elasticity to have if the good in question is Ramen noodles? Why? f. What sign might you expect the income elasticity to have if the good in question is table salt? Why?

The supply of wheat is given by the following equation: $$Q_{W}^{S}=-6+4 P_{w}-2 P_{c}-P_{f}$$ where \(Q_{W}^{S}\) is the quantity of wheat supplied, in millions of bushels; \(P_{w}\) is the price of wheat per bushel; \(P_{c}\) is the price of corn per bushel; and \(P_{f}\) is the price of tractor fuel per gallon. a. Graph the inverse supply curve when corn sells for $$\$ 4$$ a bushel and fuel sells for $$\$ 2$$ a gallon. What is the supply choke price? b. How much wheat will be supplied at a price of $$\$ 4 ? \$ 8 ?$$ c. What will happen to the supply of wheat if the price of corn increases to $$\$ 6$$ per bushel? Explain intuitively; then graph the new inverse supply carefully and indicate the new choke price. d. Suppose instead that the price of corn remains $$\$ 4$$, but the price of fuel decreases to $$\$ 1 .$$ What will happen to the supply of wheat as a result? Explain intuitively; then graph the new inverse supply. Be sure to indicate the new choke price.
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