A: Economists have two roles: scientist and policy adviser.
B: As scientists, economists develop and test theories to explain the world around them.
C: Economic policies rarely have effects that their architects did not intend or anticipate.
D: As policy advisers, economists use their theories to help change the world for the better.
举一反三
- Economists say that the economic weakness and the stock markets’ wild swings have begun to _______ themselves.
- The economic situation has been worsening, causing economists to _____whether the present policies are sustainable.
- Economists are interested in all the factors that can help to ___ the extent to which a price change will affect supply and demand in the market.
- Economists often evaluate the welfare effects of changes in market structure or of government policies by looking at changes in consumer surplus。（ ）
- Children have a natural ( ) the world around them.
内容
- 0
Most economists believe that classical theory describes the world in the short run but not in the long run
- 1
The temperature of the world in the past ten years has dropped a little () A: because wind and rain changed the weather B: , which would have effects on wind and rain C: because wind and rain did not change the weather D: , which would not have effects on wind and rain
- 2
Economists are interested in all the factors that can help to_______the extent to which a price change will affect supply and demand in the market. A: deceive B: introduce C: acquaint D: predict
- 3
Economists are interested in all the factors that can help to__________ the extent to which a price change will affect supply and demand in the market. A: resort B: lift C: predict D: settle
- 4
The leading economists of the country have been __________ the influence of the current crisis upon its economy.