In 1988 - 1992 he was a member of the ( Dutch ) Scientific Council for Government Policy , a prominent advisory body for the Dutch government on long term policy issues .
He was a member of the Dutch Social Economic Council .
In 1988 - 1992 member was a member of the ( Dutch ) Scientific Council for Government Policy , a prominent advisory body for the Dutch government on long term policy issues .
He was a member of the Dutch Social Economic Council .