My work with Soo Lee on roses was mentioned in a Wall Street Journal article By CHRISTOPHER MIMS on Feb. 8, 2016
How Economists Would Fix Online Dating
A ‘thick’ market and cost-benefit analysis help avoid ‘romantic unemployment’
"One recent experiment in improving online dating sites through signaling mechanisms, conducted by economists Soohyung Lee and Muriel Niederle, gave members of a Korean dating site a limited number of virtual roses, meant to indicate special interest in a person, to include with their messages to potential matches. The result was that people were more likely to respond to those who sent them a rose..."
I think here is a version open to everyone