Reliance on private demands and supplies to assign goods and resources is least certain to outcome an economically ineffective solution just because: (i) Producers encompass monopoly power. (ii) A good is non-rival and non-exclusive. (iii) Consumption of these health services as flu shots decreases the probability which a contagious disease will be spread. (iv) Production produces such negative externalities as the pollution. (v) Most people think that the distribution of income is unfair.
Please someone suggest me the right answer.