Amartya Kumar Sen (Bengali: '?mort:o '?en; born 3 November 1933) is an Indian economist and philosopher, who since 1972 has taught and worked in the United Kingdom and the United States.
Sen has made contributions to welfare economics, social choice theory, economic and social justice, economic theories of famines, decision theory, development economics, public health and measures of well-being of countries.
He is currently Thomas W.
Lamont University Professor, and Professor of Economics and Philosophy at Harvard University.
He was awarded the Nobel Memorial Prize in Economic Sciences in 1998 and India's Bharat Ratna in 1999 for his work in welfare economics.
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