31. The reserve ratio is the percentage of deposits commercial banks have to keep at the central bank to protect depositors. 32. The reserve ratio is the percentage of deposits commercial banks must keep at the Bank of Korea to protect depositors. 33. It also raised the reserve ratio requirement for these banks by half a percentage point to 10 . 5 percent. 34. What's more, the banks'cash reserve ratio ( CRR ) requirement was pushed up by 50 basis points to 10.5 per cent. 35. Most of the 10 commercial banks that announced earnings Monday said their loan-loss reserve ratios have reached 50 to 60 percent. 36. It also cut the cash reserve ratio of banks by a quarter point to 4 . 5 percent, effective June 14. 37. Call money is a method by which banks lend to each other to be able to maintain the cash reserve ratio . 38. The average cash reserve ratio across the entire United Kingdom banking system, though, was higher during that period, at about 0.15 %. 39. The Bank of Korea also said it will soon the lower reserve ratio for commercial banks, leading to a cut in rates. 40. The central bank also said it lowered bank reserve ratios to 8 percent from 13 percent, effective last Saturday, the report added.