不理解为什么

Public debt makes up the majority of Country C’s currency portfolio, which is the least supportive flow (or holding) to a currency. Public debt is less supportive because it has to be serviced and must be either repaid or refinanced, potentially triggering a crisis. Some types of flows and holdings are considered to be more or less supportive of the currency. Investments in private equity represent long-term capital committed to the market and are most supportive of the currency. Public equity would likely be considered the next most supportive of the currency. Debt investments are the least supportive of the currency.