I don't think there's a coherent group of economists that argue for it on theoretical grounds.

Both on theoretical and practical grounds this can't be determined.

On theoretical grounds, however, it leaves much to be desired.

And, he has suggested that on theoretical grounds, such capabilities are unlikely to exist.

In this case, however, the company stands on much firmer theoretical ground.

On theoretical, historical and esthetic grounds, there seems to me to be absolutely nothing wrong with the practice.

There are good theoretical grounds for making the user's experience central to definitions of quality in a service industry like health care.

However, the search for the answer has spurred a lot of research on both theoretical and computational ground.

These national estimates have been criticized on theoretical and methodological grounds.

This astonishing little man had been working on purely theoretical grounds the whole time!