Coffee prices rise, and sales of tea rise the same week. What relationship do coffee and tea have in this market?

The price of printers falls, and sales of ink cartridges increase. How should printers and ink cartridges be classified?

After a rise in the price of movie tickets, more people rent movies at home. Movie tickets and home movie rentals are what type of goods?

A new tax raises car prices, and gasoline sales decline. Cars and gasoline are best described as what?

When sandwich prices fall at a café, sales of soup increase. What relationship is shown between sandwiches and soup?

Ride-share fares increase, and more commuters buy monthly bus passes. Ride-share trips and bus passes are what?

A game-console discount leads to higher sales of games made for that console. How are consoles and their games related?

After Jordan receives a raise, Jordan eats at restaurants more often. Restaurant meals are what type of good for Jordan?

During a local recession, household incomes fall and sales of store-brand instant noodles rise. The noodles are what type of good in this example?

As Priya's income rises, she buys more brand-name athletic shoes. For Priya, these shoes are what type of good?

After losing work hours, Mateo buys more used clothing and fewer new clothes. Used clothing is what type of good for Mateo?

When incomes increase in a city, residents take fewer public bus trips and buy more cars. Public bus trips are what type of good here?

A family's income rises, and it buys more organic produce each week. Organic produce is what type of good for this family?

Butter and margarine are substitutes. If the price of butter rises, what happens to demand for margarine?

Digital cameras and memory cards are complements. A camera sale lowers camera prices. What happens to demand for memory cards?

Airline tickets and rental cars are complements for many travelers. If airline ticket prices rise, what happens to demand for rental cars?

Beef and chicken are substitutes for many dinners. If beef prices fall, what happens to demand for chicken?

Smartphones and protective cases are complements. If smartphone prices rise, what happens to demand for protective cases?

Gym memberships and personal-training sessions are complements for a fitness center. If membership fees fall, what happens to demand for training sessions?

Coffee and tea are substitutes. If the price of coffee increases, what change occurs in the tea market?

For most shoppers, which pair is most likely to be substitutes?

Which pair is most likely to be complements?

A student wants an alternative to a more expensive streaming subscription. Which pair is most likely to be substitutes?

Which pair best fits the definition of complementary goods?

For a household choosing a spread for toast, which pair is most likely to be substitutes?