factor which cause PPF curve shift to the right

Autos PPF Lumber E SCO 4. Refer to the figure above. Which point or points would society definitely prefer to point A?

On the following graph, use the blue line (circle symbol) to plot Nick's production possibilities frontier (PPF), and use the purple line (diamond symbol) to plot Rosa's PPF.     Nick and Rosa are farmers. Each one owns a 12-acre plot of land. The following table shows the amount of corn and rye each farmer can produce per year on a given acre. Each farmer chooses whether to devote all acres to producing corn or rye or to produce corn on some of the land and rye on the rest.   Corn Rye     Nick 12 3 Rosa 15 5     (ROSA OR NICK)  has an absolute advantage in the production of corn, and  (ROSA OR NICK)  has an absolute advantage in the production of rye.   Nick's opportunity cost of producing 1 bushel of rye is__________bushels of corn, whereas Rosa's opportunity cost of producing 1 bushel of rye is_________ bushels of corn. Because Nick has a(HIGHER OR LOWER)    opportunity cost of producing rye than Rosa, (NICK OR ROSA)   has a comparative advantage in the…

Alex Selkirk's PPF is given below. The outputs represent what he can catch, or produce, in any given day.  What is his opportunity cost of catching one Goat?    Group of answer choices (5/9) Fish (9/5) Goats (5/9) Goats (9/5) Fish not enough information to answer the question