His thesis advisers were Nobel Prize­winning economists William Vickery and Edmund Phelps.

His areas of specialisation were welfare economics, international economics, and the history of economic thought.

He began teaching at Georgetown University in Washington, DC, in 1979.

An exceptionally gifted teacher known for his ability to make difficult concepts understandable and relevant to his students' lives, he was recognised as teacher of the year three times.

Chaudhuri taught and lectured internationally, in Vienna, Hanoi, and Doha, Qatar.

His writings on international trade, finance, and social welfare appeared in such academic journals as Theory and Decision and Social Choice and Welfare and in The Multinational Corporation in the 1980s, edited by Charles P Kindleberger and David Audretsch, published by the MIT Press in 1983.

A passionate bridge and tennis player and an avid gardener, he is survived by his wife, Joanne Kinney Smyth, his children, Maya and Neal, his former wives, Una Chaudhuri and Margaret McBride, and his brother Pradip, and sister Shibani in Kolkata.

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