1960 माइथायफोरनि जोबनायाव आरो 1970 माइथायफोरनि जुरिजेननायाव सेननि रनसाइया समाजारि सायख'थिनि बुंफिरलुखौ जौगाहोनायाव हेफाजाब होयो, जाय गिबिसिन अमेरिकानि रांखान्थिगिरि केनेथ एरोनि हाबायाव मुंदांखा जायो।
Sen's papers in the late 1960s and early 1970s helped develop the theory of social choice, which first came to prominence in the work by the American economist Kenneth Arrow.