Smart beta products may be suffering from their own success – at least according to one firm.
Research Affiliates (Rafi), itself a smart beta index compiler, has suggested the popularity of well-known smart beta indexes – including its own – will reduce and in some cases wipe out their expected excess returns over their benchmarks.
Its chairman Rob Arnott is well known for warning that much of smart beta’s returns come from short-term flows into the sector. But the firm is now warning of longe
The week on Risk.net, July 14–20, 2017Receive this by email