Indonesian leaders vowed Thursday to rein in spending, part of a battery of measures to help build a firewall between the world’s fourth most-populous country and financial contagion spreading to emerging markets from Turkey, The Wall Street Journal reports. The government has no plan to impose capital control, according to a report by Channel News Asia. Instead, it has made a fresh appeal to the country’s exporters to exchange their holdings of foreign currencies to help support the tumbling rupiah. The S&P Global Platts expects state-owned Indonesian oil company Pertamina to acquire more low-octane gasoline in response to the weak rupiah. The Indonesian currency is likely to remain bearish against the dollar as the central bank may struggle to find a rationale for additional hikes, writes Gawoon Philip Vahn and Wanda Wang.