“…Cooper () reviews existing structures for defined contribution plans. Australian literature has related plan‐level performance to aspects such as asset allocation, fund type, governance, scale, fees or expenses, and the number of external managers (Faff et al ., ; Coleman et al ., ; Langford et al ., ; Bateman and Thorp, ; Ellis et al ., ; Basu and Andrews, ; Liu, ; Cummings, ). These studies confirm the importance of asset allocation and fees.…”