Amartya Sen
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["Poverty was thought to be simply a productivity problem, but it also represented what was brought about by market failure in market competition." The observation that "famine arises not only from food shortages but also from inequality" is based on the mechanism for distributing food.
Also, it contains a little knowledge in the field of economics. The original of Amartya Sen's "Impossibility Theorem of Pareto Liberalism" is included in the following book. If you search for the name of the theorem, you will find several explanations by economics professors. https://t.co/CeisdaD9o0 https://gyazo.com/bc9fa0bc20bd229c715685e9abe61064