On November 3, 2014, Economic Analysis of Working Hours: Prospects for a working style in a super-aging society (Nikkei Publishing Inc.) co-authored by RIETI Faculty Fellow YAMAMOTO Isamu and research project member KURODA Sachiko was awarded the 57th Nikkei Prize for Excellent Books in Economic Science, co-hosted by Nikkei Publishing Inc. and the Japan Center for Economic Research (JCER).