Regarding the question of economics writing, that brother will please help me, thank you! 20

23--27 b d b c b;

28--30 a b c

31--35 b ?c b c (32 questions the landlord did not write the answer completely, but it should be 1 degree ** discrimination).

36--40 d b d c a

41 d It's so hard to read such a small word, so you have to give it to me. I'm basically sure it's correct.

Ask why it's you again [left covering face].

It's okay for me to call someone else to get a kiss.

Be sure to change your phone number when asking questions.

Ask me what kind of comment do you want.

Question: Is the unit price of this question 7 jiao or yuan?

1 False means that the marginal utility is 0 at this time

2 False: It is tangent.

3 True 4 False. 5 False First, the slope of the indifference curve is negative, and the ratio of the utility of the two commodities is positive, and secondly, the absolute value of the slope of the indifference curve is equal to the ratio of the marginal utility of the two goods.

6 False (I'm not sure about this).

7 True, 8 False, **will.

9 False The elasticity of necessities is between 0 and 1, and the elasticity of luxury goods is greater than 110 False The demand curve is like a downward slope, and I have only heard of moving towards the upper right and lower left 11 pairs Public goods have two characteristics, one is non-exclusivity, and the other is non-competition.

12 pairs of perfect competitors, ar, mr, the three lines of the demand curve overlap 13 to 14 false When the two commodities ** change in the same proportion, the budget line moves in parallel 15 false The elasticity of demand is zero.

Transaction costs refer to the cost of closing a transaction, as well as the total time and monetary costs spent in the buying and selling process.

Individuals who smoke in public causes others to passively inhale second-hand smoke, thereby harming the health of others, so that the marginal social net benefit of smoking by a minority is lower than the marginal private net benefit, and has negative externalities. The above is from the web page.

Generally speaking, although smoking is harmful to health, it will bring positive benefits to smokers such as relieving depression, relieving fatigue, increasing social interactions, and close interpersonal relationships, while negative benefits such as endangering health are shared by others, such as passive smoking in public places, and quitting smoking is very painful for smokers, and the personal cost of quitting smoking is very high, which makes the internal benefits of smokers greater than the costs, although on the whole, it is a negative benefit to count social benefits. But the marginal personal net benefit of smoking is higher than the marginal social net return, so they continue to smoke.

1. Lower payment costs. Compared with playing cards, prostitution, gambling, and alcoholism, it is easier for ordinary economic people to accept;

2. The time limit for expenditure is shorter. Smoking is harmful to health, and if you don't reach the Yellow River, you won't die, and you won't turn back;

3. Better communication efficiency. Meet social needs, and it is easier to achieve the expected communication goals in a shorter period of time.

"Smoking is harmful"There is still no consensus that smokers still feel that smoking has benefits, and the benefits outweigh the loss of money.

You may not have smoked before, smoking is addictive.

Seriously, you can write whatever you want.

Urn v Housing Authority Bye Bye v Eat V No, No, No V