Cost-benefit ratio The net present value of an investment divided by the investment's initial cost. Also called the profitability index. Counter trade The exchange of goods for other goods rather than for cash; barter. Counterpart items In the balance of payments, counterpart items are analogous to unrequited transfers in the current account. They arise because the double-entry system in balance of payments accounting and refer to adjustments in reserves owing to monetization or demonetization of gold, allocation or cancellation of SDRs, and revaluation of the various components of total reserves. Counterparties The parties to an interest rate swap. Counterparty Party on the other.