According to Kelly Services, the best option for firms would be to keep 80% of their staff as permanent employees and the remaining on a flexible work regime given the ongoing uncertainty in the world economy. SMU Professor Hoon Hian Teck told MediaCorp that unemployment rates are expected to grow by 0.9% should the Singapore economy expand by 3% in 2012. However, if the imminent slowdown in the economy is short-term, the redundancy rate may be lower.