The retailers have insisted that voluntary measures are all that's needed.

Instead, it has proposed a list of nine voluntary measures.

Industry participants have also taken voluntary measures to improve food safety.

The point is to change incentives, and voluntary measures don't do that.

The administration's policy is to use voluntary measures to slow, but not reverse, the growth of emissions.

Points rebate is only possible by voluntary measures once within 5 years.

The Bush administration has called for voluntary measures to slow the growth of emissions.

I think we all recognise that voluntary measures are not working.

Why are we bothering with voluntary measures when it comes to individuals and their private lives?

Secondly, it is clear that enterprises' own voluntary measures are also very important.