Bank Negara Malaysia’s (BNM) recent decision to raise the overnight policy rate (OPR) may have seen opposition from many, but economists say it is the most effective and efficient method of tackling inflation.

Economist and former executive director of Malaysian Institute of Economic Research (MIER) Zakariah Abdul Rashid said the OPR is expected to increase two more times; once at the end of this year and another time next year.

He predicted the rate could go up as high as...