Chen Yulu, member of the Monetary Policy Committee of the People's Bank of China, said that there was plenty of room for more RRR cuts, citing continuing deflationary risks as an influencing factor.
Consumer Price Index, the main gauge of inflation, averaged 1.2 per cent year on year in the first three months (Q1) of 2015, the lowest since the fourth quarter of 2009.
Ongoing deflationary risks indicate a high possibility of more loosening measures in the future, Chen said.
RRR remains high at 18.5 per cent, presenting enough room for further cuts.
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The central bank lowered the RRR cut by one percentage point three days ago in bid to increasing funding for private sector investment to spur growth as the second largest economy continued to slow down.
Given the persistent downward pressure on the economy, with growth slowing to 7 per cent in Q1, the lowest rate since 2009, Chen expects more RRR cuts in the future. China has already affected two RRR cuts this year.
Last year, the economy registered 7.4 per cent, lowest in 24 years.
Though the growth in the first quarter met the official target of around 7 per cent for 2015, the slowdown in several areas, including industrial output and retail sales, has caused concern.