Rawl's Difference Principle' denotes

The concept of "social welfare" function was propounded by

Which is not a assumption of Input-Output analysis

"Consistent social choice cannot be made without violating the consistency and transitivity condition" - stated by

"A position from which it is impossible to make any one better off without making someone worse off by any re-allocation of resources and outputs" - said by

The theory of lemon was first developed in