Amartya Sen: A Brief Overview
Amartya Sen, an eminent Indian economist and philosopher, is renowned for his contributions to welfare economics, social choice theory, and development economics. His work has had a significant impact on global policies addressing poverty, inequality, and human development.

Key Contributions
- Welfare Economics: Sen introduced the concept of "capabilities," which evaluates individual well-being not just by resources or utility, but by what people are actually able to do and be. This shifted focus from mere economic growth to human development.
- Development as Freedom: In his influential book, he argues that development should be seen as a process of expanding freedoms and capabilities, emphasizing that economic growth alone is insufficient without addressing issues like health, education, and social justice.
- Social Choice Theory: Sen's work in this area explores how collective decision-making can be made more equitable. He analyzed voting systems and the effects of different mechanisms on social welfare.
- Poverty Measurement: He developed the "Sen Index," which provides a multidimensional approach to measuring poverty, taking into account various factors beyond just income.

Awards and Recognition
- Nobel Prize in Economic Sciences: In 1998, Sen was awarded the Nobel Prize for his contributions to welfare economics and social choice theory.
- Global Influence: His ideas have influenced policies and frameworks adopted by international organizations, including the United Nations Development Programme (UNDP).

Conclusion
Amartya Sen's interdisciplinary approach has reshaped economic theory and policy, making significant strides in addressing human well-being and social justice. His legacy continues to inspire economists, policymakers, and scholars worldwide.