South Korea's terms of trade got worse in August for the 21st month in a row... due in particular to weaker shipments of computers and electronics. According to the Bank of Korea,... the net barter terms of trade index in August was 90-point-six-two,... down more than four percent on-year. Terms of trade measures the amount of imports a country can buy for each unit of exports. In the same period, South Korea's export volume index was down nearly six percent.