<P>1,even when there is a marginal cost associated with each indivitual using a good ,if the costs of running the price system are very high ,it may be more efficient simply to provide the good publicly and finance the good through general taxation.explain why?</P>
<P>2,what types might crowd out privat consumption?</P>
<P>一点头绪都没有,哪怕是朋友们能给个回答的思路也可以,谢谢!!谢谢!!</P>