(Bloomberg) -- Norway’s central bank kept borrowing costs at a 16-year high and reiterated the need for durably tight monetary policy to squeeze inflation out of the economy.Most Read from BloombergTesla Slumps After Warning About ‘Notably Lower’ Growth RateBoeing Blocked From Building More 737s in Hit to Growth PlanUS GDP Grew 3.3% Last Quarter, Capping Unexpectedly Strong YearRussia Says Ukraine Downed Plane Carrying Prisoners for SwapNorges Bank held the key deposit rate at 4.5% on Thursday,