The Turkish central bank faces a key test Thursday on turning to more conventional economic policies to counter sky-high inflation after newly reelected President Recep Tayyip Erdogan gave mixed signals about an approach that many blame for worsening a cost-of-living crisis. While a sharp rate hike is expected, it’s not clear if it will be enough to ease market concerns. The appointments were seen as a sign that Turkey would change course and abandon Erdogan’s unorthodox belief that lowering interest rates fights inflation.