Turkey’s central bank has unexpectedly raised its key interest rate as the country continues to try and reign in soaring inflation. The Central Bank of Turkey said on Thursday that it had raised the policy rate (or one-week repo auction rate) to 50%, up from 45%, due to higher-than-expected inflation in February. “While imports of consumption goods and gold slowed down and contributed to the improvement in the current account balance, other recent indicators imply that domestic demand remains resilient,” the bank said in a press release. “Stickiness in services inflation, inflation expectation…