Which situation would most likely cause a nation's production possibilities curve to shift inward?            The construction of more capital goods        An increase in discrimination based on race        An increase in the number of skilled immigrant workers        The destruction from bombing and warfare in a losing military conflict

Consider two competitive economies that have the same quantities of labor (L = 400) and capital (K = 400), and the same technology (A = 100). The economies of the countries are described by the following Cobb–Douglas production functions: North Economy: Y = A L.3K.7 South Economy: Y = A L.7K.3 In which economy is the real wage larger? Explain.

I've already read the answer provided on this site, but it is not giving me the information I need. I understand the math for finding the opportunity costs for each item in each country. However, where are they getting the answer that 2.5 tons of chemicals is what the US will give up, and 1 ton of apparel is what China will give up? From videos I've seen on youtube, they basically state that as long as the cost is less than what the original opportunity cost is, then nations will trade. So, it costs China 4 apparel for every 1 ton of chemicals, and in the US it costs 1 apparel for every 3 tons of chemicals. Am I right to assume that as long as China can trade less than 4 apparel it will benefit, and as long as the US can trade less than 3 tons of chemicals it will benefit? If so, then what is the math being used to arrive at exactly 1 ton of Chemicals for 1 ton of Apparel for China, and 1 apparel for 2.5 tons of Chemicals for the US? I need to understand the math that is used to…

Please examine the data describing unit labor requirements and labor productivity for two nations. These nations are only able to produce one of two items - ships and planes. Given this information, what is the value of the cell labeled B? Unit Labor Requirements Hours of labor required to produce one unit Inland Ships Planes 2 Harborton 4 1 0.5 Labor Productivity How many units can be produced in one hour Inland Harborton Ships A 0.25 Planes 1.0 B 2 units 1 unit 0.5 units O units