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Marketing I
Supply & Demand Case Studies Name: __________________________
Please look at the news reports for each market situation. Then complete each chart with short
answers describing the change in each market, whether people will demand more or less,
whether sellers will supply more or less,
1. DVD sales are sliding because more consumers are watching content digitally. (This involves
two markets.)
Article: bloomberg.com/news/articles/2015-01-06/u-s-dvd-sales-continue-to-slide-as-
digitalviewing-soars
Market
What changed?
Demand
Supply
Equilibrium
price and
quantity
DVDs
Digital Content
2. Drought and demand from Arby’s creates a brisket shortage; the article also mentions the
increase in the popularity of brisket.
Article: cbsnews.com/news/brisket-shortage-has-texas-barbecue-lovers-facing-rising-costs/
Market
What changed?
Demand
Equilibrium price
and quantity
Brisket
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3. There is an oversupply of oil from increased North American and Saudi Arabian production.
Article: businesstoday.intoday.in/story/oil-prices-brent-crude-extends-loss-on-supply-glut-
jan14/1/214565.html
Market
What changed?
Demand
Supply
Equilibrium
price and
quantity
Gasoline
4. New cage laws for chickens decrease the number of chickens (and therefore the number of
eggs).
Article: cbsnews.com/news/why-egg-prices-will-likely-rise-in-2015/
Market
What changed?
Demand
Supply
Equilibrium
price and
quantity
Eggs
5. Movie ticket prices increase.
Article: time.com/3666765/movie-theaters-ticket-prices-box-office-revenue-summer/
Market
What changed?
Demand
Supply
Equilibrium
price and
quantity
Movie tickets
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6. Piano stores close down as fewer young people are taking up the instrument. The article also
mentions that technology has improved so that pianos last longer.
Article: lehighvalleylive.com/music/index.ssf/2015/01/piano_stores_closing_sales_plu.html
Market
What changed?
Demand
Supply
Equilibrium
Price and
Quantity
Pianos
7. Consumers become more health conscious and reduce their consumption of donuts.
Article: newsmax.com/health/Health-News/sugary-processed-
foodspastries/2014/12/29/id/615359/
Market
What changed?
Demand
Supply
Equilibrium
Price and
Quantity
Donuts
8. The increase in Mexican immigrants and an increase in popularity for Mexican cuisine has
resulted in greater consumption of tortilla chips.
Article: cnn.com/2015/01/21/living/feat-tortilla-chip-history-tailgating-eatocracy/
Market
What changed?
Demand
Supply
Equilibrium
Price and
Equilibrium
Quantity
Tortilla chips
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9. As the American populations is aging, fast food consumption is falling.
Article: today.com/health/hold-fries-were-eating-less-fast-food-study-says-1C8463926
Market
What changed?
Demand
Supply
Equilibrium
Price and
Quantity
Fast food
10. Avocados become America’s favorite fruit.
Article: washingtonpost.com/blogs/wonkblog/wp/2015/01/22/the-sudden-rise-of-the-
avocadoamericas-new-favorite-fruit/
Market
What changed?
Demand
Supply
Equilibrium
Price and
Quantity
Avocados
11. Dry weather has decreased Ghana’s cocoa production by 22% from last year.
Article: money.cnn.com/2015/06/23/investing/chocolate-cocoa-prices-go-up/
Market
What changed?
Demand
Supply
Equilibrium
price and
quantity
Chocolate bars
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12. Hyundai’s car sales are affected by lower gas prices.
Article: autonews.com/article/20141202/RETAIL01/312029993/hyundai-falls-4-as-small-
carstumble
Market
What changed?
Demand
Supply
Equilibrium
price and
quantity
Small cars
SUVs