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View Weekly PageAnswer: The value of the next best alternative that is forgone when a choice is made
Opportunity cost is the foundational concept of economics, arising from the reality of scarce resources. It is not the sum of all rejected alternatives, but strictly the value of the single *best* alternative you gave up. For example, if you use a free hour to study instead of working a Rs. 500 shift, the opportunity cost of studying is exactly Rs. 500.