Comparative Advantage Practice

If you want to skip the lesson and just practice go to 10:48. I spend the first have of the video explaining how to identify which country has an absolute advantage, calculate opportunity cost, identify which country has a comparative advantage, and find a terms of trade that both countries would voluntarily agree to. The second half of the video is an additional practice questions where I quickly go over the answers. I also added the answers below if you are in a hurry. Thank you for watching, please subscribe.

Additional Multiple Choice Questions
https://www.youtube.com/watch?v=WLfOZz-_JMY&t=6s

Unit 1 Summary Video (includes quick and dirty trick)
https://www.youtube.com/watch?v=JBHbwtzHfDg

ANSWERS

Situation #1 (5:30)
The US can produce 20 planes or 2 cruise ships
France can produce 12 planes or 2 cruise ships
-The US has an ABSOLUTE ADVANTAGE in planes
-Neither has an ABSOLUTE ADVANTAGE in cruise ships
-For the US, 1 plane costs 1/10 cruise ship and 1 ship costs 10 planes
-For France, 1 plane costs 1/6 cruise ship and 1 ship costs 6 planes
-US has COMPARATIVE ADVANTAGE in planes
-France has COMPARATIVE ADVANTAGE in cruise ships
-Terms of trade: 1 Cruise Ship for 7 Planes

Situation #2 (11:12)
Korea can produce 3 cars or 9 motorcycles
Germany can produce 4 cars or 8 motorcycles
-Germany has an ABSOLUTE ADVANTAGE in cars
-Korea has an ABSOLUTE ADVANTAGE in motorcycles
-For Korea, 1 car costs 3 motorcycles and 1 motorcycle costs 1/3 car
-For Germany, 1 car costs 2 motorcycles and 1 motorcycle costs 1/2 car
-Germany has COMPARATIVE ADVANTAGE in cars
-Korea has COMPARATIVE ADVANTAGE in motorcycles
-Terms of trade: 1 Car for 2.5 Motorcycles


Situation #3 (13:22)
Japan can produce 4 laptops or 12 phones
Brazil can produce 1 laptops or 5 phones
-Japan has an ABSOLUTE ADVANTAGE in laptops
-Japan has an ABSOLUTE ADVANTAGE in phones
-For Japan, 1 laptop costs 3 phones and 1 phone costs 1/3 laptop
-For Brazil, 1 laptop costs 5 phones and 1 phone costs 1/5 laptop
-Japan has COMPARATIVE ADVANTAGE in laptops
-Brazil has COMPARATIVE ADVANTAGE in phones
-Terms of trade: 1 Laptop for 4 Phones

Situation #4 (16:08)
Cuba takes 4hrs to make a TV and 12hrs to make salsa
Mexico takes 1hr to make a TV and 5hrs to make salsa
-Mexico has an ABSOLUTE ADVANTAGE in TVs
-Mexico has an ABSOLUTE ADVANTAGE in Salsa
-For Cuba, 1 TV costs 1/3 salsa and 1 salsa costs 3 TVs
-For Mexico, 1 TV costs 1/5 salsa and 1 salsa costs 5 TVs
-Mexico has COMPARATIVE ADVANTAGE in TVs
-Cuba has COMPARATIVE ADVANTAGE in salsa
-Terms of trade: 1 salsa for 2.5 TVs

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