Match List–I with List–II and select the answer using the code given below the Lists: List–I (Author) List–II (Book) A. John M. Keynes 1. Poor Economics B. Paul Samuelson 2. The General Theory of Employment, Interest and Money C. Amartya Sen 3. Collective Choice and Social Welfare D. Abhijit V. Banerjee and Esther Duflo 4. Foundations of Economic Analysis Code:

Correct — B, the pairing A-2, B-4, C-3, D-1. Keynes wrote The General Theory of Employment, Interest and Money in 1936, the book that founded macroeconomics as a separate field and argued that output and employment are set by aggregate demand. Paul Samuelson's Foundations of Economic Analysis, from 1947, is the work that put mathematical structure under economic theory. Amartya Sen's Collective Choice and Social Welfare, of 1970, belongs to social choice theory and to the question of how individual preferences can be aggregated into a social judgement. Poor Economics, published in 2011 by Abhijit Banerjee and Esther Duflo, reports randomised evaluations of anti-poverty interventions. Reading down the list, A goes to 2, B to 4, C to 3 and D to 1.

• (a)A B C D 1 3 4 2 — Gives Keynes Poor Economics and Banerjee and Duflo The General Theory, a swap that reverses the two ends of the list by nearly eighty years.
• (c)A B C D 2 3 4 1 — Gets Keynes right but then hands Samuelson Collective Choice and Social Welfare and Sen Foundations of Economic Analysis. The two are interchanged.
• (d)A B C D 1 4 3 2 — Again starts by giving Keynes the 2011 book on randomised anti-poverty trials, which fixes the whole row wrongly from the first pair.

Four books, four very different projects. The General Theory of Employment, Interest and Money broke with classical economics by making aggregate demand the determinant of output. Foundations of Economic Analysis established the mathematical method that dominated post-war economics. Collective Choice and Social Welfare opened up social choice and welfare economics in the tradition Kenneth Arrow had begun. Poor Economics represents the experimental turn in development economics, for which Banerjee, Duflo and Michael Kremer shared the 2019 Nobel Memorial Prize.

Match-the-list items are answered by fixing the pair you are surest of and eliminating on it. Here that pair is Keynes with The General Theory, which is the most widely recognised book-author pairing in economics, and it removes two of the four options immediately. The remaining decision is between Samuelson and Sen for the two theoretical works, and it turns on remembering that Sen's early field was social choice, so the book with 'social welfare' in its title is his. A useful cross-check is chronological: 1936, 1947, 1970 and 2011 map onto A, B, C and D in the order they are printed.

• The General Theory of Employment, Interest and Money — John Maynard Keynes, 1936.
• Foundations of Economic Analysis — Paul Samuelson, 1947.
• Collective Choice and Social Welfare — Amartya Sen, 1970.
• Poor Economics — Abhijit Banerjee and Esther Duflo, 2011.
• Banerjee, Duflo and Michael Kremer shared the 2019 Nobel Memorial Prize in economics for experimental development work.

• Pairing Amartya Sen with any book that sounds theoretical rather than the one on social welfare.
• Assuming the newest book belongs to the first author on the list.
• Confusing Samuelson's Foundations of Economic Analysis with his introductory textbook Economics.

Asked as a four-pair matching item on authors and their best-known works, solvable by locking the one pairing you are certain of and eliminating.

• practice — not a real PYQ

  Collective Choice and Social Welfare was written by

  • (a)Paul Samuelson
  • (b)Amartya Sen
  • (c)Kenneth Arrow
  • (d)Joan Robinson

  Answer(b) Amartya Sen — his 1970 work in social choice and welfare economics.

• practice — not a real PYQ

  Poor Economics, reporting randomised evaluations of anti-poverty programmes, was co-authored by

  • (a)Abhijit Banerjee and Esther Duflo
  • (b)Jagdish Bhagwati and Arvind Panagariya
  • (c)Amartya Sen and Jean Dreze
  • (d)Raghuram Rajan and Luigi Zingales

  Answer(a) Abhijit Banerjee and Esther Duflo — who shared the 2019 Nobel Memorial Prize with Michael Kremer.