According to the October 2010 IMF’s projection, the ratio is estimated to further decline until 2015 and may continue onwards. However, further analysis shows that the speed of convergence to match developed countries is not yet sufficient. 91.
Bank Indonesia study shows that in addition to low capital accumulation and productivity, the non optimal speed of convergence is also caused by most binding constraints in the economy. Should these constraints be untangled, a more  12  BIS central bankers’ speeches  accelerated economic growth through increasing investment could be achieved.