Who defined Economics as a ‘science which studies human behaviour as a relationship betweeen ends and means which have alternative uses’?

The correct answer is A. L. Robbins.

L. Robbins defined economics as a ‘science which studies human behaviour as a relationship betweeen ends and means which have alternative uses’ in his book An Essay on the Nature and Significance of Economic Science, published in 1932.

Alfred Marshall defined economics as “the study of mankind in the ordinary business of life; it examines that part of individual and social action which is most closely connected with the attainment and with the use of the material requisites of well-being.”

Joan Robinson defined economics as “the science of choice under conditions of scarcity.”

Paul A. Samuelson defined economics as “the study of