Comparing the old-world wine industry with the new-world wine industry, which is economically and structurally the healthier industry to be in? Why?

please also consider: What is causing consolidation in the wine industry? Please note the question for written assignment takes the view of the OW and NW being somewhat separate industries. While this is not exactly true, and less so today, the author does give us lots on information on each as if they were somewhat separate. Please look at it as comparing the structure of two industries