I left Delhi, in 1971, shortly after Collective Choice and Social Welfare was published in 1970.

3-4). 1-2 and 1980 sect. For instance in the United States citizens have a hypothetical "right" to vote.

S. Sen is a member of the Advisory Board of Incentives for Global Health the not-for-profit behind the Health Impact Fund. Sen is best known for his work on the causes of famine which led to the development of practical solutions for preventing or limiting the effects of real or perceived shortages of food.