Linking retirement age to a mortality index would remove some political risk around increasing the length of time employees work, Mercer chief retirement strategist Bruce Rigby says.
He said: "It seems to me that is a much easier way politically to achieve what everyone is trying to achieve, which is to restrict the length of time that everyone is receiving pension in retirement. ...
This week's edition of Professional Pensions is out now
MPs failed to place legislation into the Financial Guidance and Claims bill that would have made pension guidance default, which Just Group director Stephen Lowe said left a "bitter taste".
Aegon has called for the government to double the tax exemption on employer-arranged pension advice, up from £500 to £1,000.
Institutional investor confidence in Europe rose by 8.9 points in April with each region showing growing appetite for risk, according to State Street Global Exchange.