Turkish Inflation Rises Again, Posing Fresh Test for Central Bank. Turkey has been struggling with huge debts, an inflation rate of just under 40 percent and a declining currency. Under Erkan's tenure, the central bank has hiked its main interest rate from 8.5% to 40%, and bank deposit rates, already above 45%, are expected to rise further by year-end as the central bank takes additional steps to tighten liquidity. what happned with the demand and supply in the goods market what happens with the demand and supply in the goods market