![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
In the following actions taken by government, which might cause a loss in social welfare
A、Price ceiling
B、allow free-trade
C、sales tax
D、price floor
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
A、Price ceiling
B、allow free-trade
C、sales tax
D、price floor
A、decreasing or eliminating biological activity of non-nutrient substances
B、decreasing or eliminating toxity of most of non-nutrient substances
C、increasing the solubility of non-nutrient substances
D、equal to detoxicification
E、facilitating the excretion of non-nutrient substances from the body
A、Chronological progression
B、Cause and effect
C、Problem and solution
D、Compare and contrast
A、are usually sold in large denominations.
B、have low default risk.
C、mature in one year or less.
D、are characterized by all of the above.
E、are characterized by only (a) and (b) of the above.
A、when entry is limited.
B、when firms' cost functions differ
C、when input prices vary with output
D、when consumers have satiation points.
A、equals the deadweight loss of a single-price monopoly.
B、is greater than the deadweight loss of a single-price monopoly.
C、equals zero.
D、equals the sum of all lost consumer surplus.
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!