The head of South Korea's central bank, Lee Ju-yeol, said Thursday that the U.S. Federal Reserve's decision to freeze its target interest rate was a more dovish gesture than markets expected.<br />In a shift from its stance a month earlier, the Fed also discarded its promises of "further gradual increases."<br />The BOK chief said the Fed's approach will help stabilize financial markets, and will affect the monetary policies of South Korea and other countries.<br />U.S. rates are currently 75 basis points higher than Korea's. <br />