1) Generally, sectors with lower Herfindahl-Hirschman Index (HHI) values also tend to have

b. lower four-firm concentration ratio (CR4) values

c. higher top-twenty ratio (TTR) values

d. lower Revised sector R-squared (RSRS) values

2) Given the domestic demand function and the supply function in billions of bushels. Suppose the rest-of-the-world price is $1, how much would be imported when international trade occurs?

a. none because the world price and domestic price are the same

b. none because the world price is higher than the domestic price

d. 4 billion bushels

3) Given the domestic demand function and the supply function in billions of bushels. If the rest-of-the-world price is $2, an import tariff of $1 will ______.

a. have no effect

b. reduce imports by 10 billion bushels

d. reduce exports by 18 billion bushels

please explain otherwise downvote