Hello,

I am studying economics at ITAM, we are currently viewing the Production Possibilities Frontier. My question is regarding a test that I had, they sent the answers back to us, but I still don't understand why the answer is such.

The two questions i have doubt with are the following:

a.) If this person chooses to consume basket A, it must be true that the number of units of good Y that they would be willing to sacrifice for one more unit of good X.

Is:

-more or equal to one

-exactly equal to four

-exactly equal to one

-less or equal to one (this is the correct one)

-more or equal to four

b.) If this person chooses to consume basket C, it must be true that the number of units of good Y that they would be willing to sacrifice for one more unit of good X at this point.

Is:

-less or equal to one

-more or equal to four

-exactly equal to one

-exactly equal to four

-more or equal one but less or equal to four (this is the correct one)

This is the graph