Opportunity Cost

Opportunity cost refers to the value of the highest-valued alternative forgone when choosing one option in foreign trade decisions. It is not an actual cash outlay, but an implicit trade-off cost under limited resources. It is widely applicable: for example, if existing capacity is used to produce product A for export instead of product B, the potential profit of product B is the opportunity cost of product A; if spot exchange settlement is chosen instead of holding foreign currency for appreciation, the possible exchange gain forgone is the opportunity cost; if credit sales are made to an old customer instead of a cash transaction with a new customer, the time value of occupied funds is the opportunity cost. Note: opportunity cost should be estimated based on the real value of feasible alternatives and cannot be assumed arbitrarily; it differs from accounting cost (explicit expenditure) and marginal cost (incremental cost), focusing more on the 'forgone next-best choice.' The difference from sunk cost is that opportunity cost faces future decisions, while sunk cost has already occurred and cannot be recovered. Foreign trade practitioners should incorporate it into decisions on quotations, order selection, payment methods, and market entry to avoid focusing only on book profit while ignoring implicit costs.