MIYASHITA, HIROSHI; YONEYAMA, TAKAU; SUZAWA, YOSHIHIKO; … - In: Hitotsubashi Journal of commerce and management 45 (2011) 1, pp. 59-79
insurers in different market environments. Our investigation spans the 1970-2005 period, covers ten major non-life insurers …, and compares pre- and post-deregulation periods. Since portfolio considerations are essential for non-life insurers in … diversification. This indicates that non-life insurers can successfullyimprove their efficiencybydiversify ing their insurance …