Are realtors saving the best deals for themselves?

Are realtors in Singapore motivated to act in the best interest of their home buyers, given the current way properties are sold? Professor Sumit examines property transaction data with Professor Song Changcheng over the past 15 years to determine if the most attractive deals are indeed made by realtors because of their greater access to information. They also discuss the effectiveness of dual-agent negotiations verses a single-agent arrangement.