Producer surplus is the difference between the highest price someone is willing to pay and the price he actually pays

Is knowledge capital subject to the law of diminishing returns? Explain

What will be an ideal response?

The tendency of the prices of identical baskets of goods across countries to converge: a. Is stronger to the extent the countries compared have substantial tariffs on imported goods

b. Is weaker, the higher the cost of transporting the goods between countries. c. Is stronger for goods and services not traded internationally. d. Would tend to become weaker when countries eliminated quotas on imports of the goods in the baskets.