How do you add two possibility frontiers (from different regions) together to find the total frontier for the whole country?
Information is as follows:
Xa = Lx^(1/2)
Ya = Ly^(1/2)
Xb = 1/2Lx^(1/2)
Yb = 1/2Ly^(1/2)
Frontiers are:
Xa^2 + Ya^2 = 100
Xb^2 + Yb^2 = 25
Thank you!