The provided definition, "Economics is the study of how men and society choose, with or without the use of money, to employ scarce productive resources which could have alternative uses, to produce various commodities over time, and distribute them for consumption now, and in the future, among various people and groups of society," defines the scope of economics.
This definition focuses on the core economic challenge: managing limited resources to satisfy unlimited wants.
This specific definition, emphasizing scarcity and choice in the allocation of resources with alternative uses, is famously attributed to Professor Paul Samuelson.
Key takeaways from this definition include:
Therefore, the definition is recognized as that of Prof. Samuelson.
| List - I | List - II |
| A. Yellow Pages | I. Promotion of a product/brand in a movie in such a way to enter the subconscious mind of the customer |
| B. Infomercials | II. Banners, posters and stickers put inside the retail shop |
| C. Point of purchase advertising | III. Television commercial runs as typical as television program |
| D. Product Placement | IV. Directory of Local business names and products |
| List - I | List - II |
| A. Matrix addition is commutative | I. If O is the zero matrix of same order as that of the matrix A, then A + 0 = A = 0 + A |
| B. Matrix addition is associative | II. If A, B and C be three matrices of the same order, then (A + B) + C = A + (B + C) |
| C. Existence of additive identity | III. If A be any matrix, then A + (-A) = O = (-A) + A |
| D. Existence of additive inverse | IV. If A and B be two matrices of the same order then A + B = B + A |