In: Economics
Which of the following transfers is most efficient?
| a. | 
 $100 in cash  | 
|
| b. | 
 $100 medical care tax credit  | 
|
| c. | 
 $10 itunes gift card  | 
|
| d. | 
 $100 health insurance subsidy  | 
a. $100 in cash
Cash transfer is most efficient because cash transfer increases consumption possibilities.