A) if the average North Korean farmer produces 1,800 of food per year, what is the opportunity cost, in pounds of food, of North Korea's army?         (B) if a person needs at least 500 pounds of food per year to survive, how many people could have been fed with the forgone food output?

Please help me .........

A country's production possibilities frontier will be a straight line if Group of answer choices the economy is producing efficiently. increasing the production of one good by x units entails no opportunity cost in terms of the other good. increasing the production of one good by x units entails a constant opportunity cost in terms of the other good. the economy is engaged in trade with at least one other economy.

Hi! I am currently stuck on this question: Suppose there is an improvement in medical technology that enables more healthcare to be provided with the same amount of resources. How would this affect the production possibilities curve and, in particular, how would it affect the opportunity cost of education? I am confused as to why education increases. I know that the medical technology would increase the PPF because of the improvement, but wouldnt that decrease the opportunity cost of education because there is more technology? Thanks!

What is the opportunity cost (amount & item) of increasing production from 6,000 tons of cinnamon  to 7,000 tons of cinnamon ?  _________________

Can the Production Possibilities Curve shift left? If not, explain why. If it can, explain what might cause this to happen.

1) Discuss some of the complex problems brought  by the modern food industry upon agricultural workers and our planet as illustrated in the documentary you viewed this week: "Seed: The Untold Story".  2) Do you think the Covid-19 pandemic has exposed some of the problems in the way our global food chain functions? What are two of these problems and your proposed solutions to them?

Increasing opportunity costs result in a production possibilities frontier that is concave; C: linear; D: horizontal) to the origin. (A: convex; B: