The tradeoffs of homeogeneity and diversity in democracy strikes me as an extremely important topic now, and I was looking forward to the article addressing the

The tradeoffs of homeogeneity and diversity in democracy strikes me as an extremely important topic now, and I was looking forward to the article addressing the most comprehensive study on the issue (that I know of) by Robert Putnam [0]. Unfortunately it seems the author simply acknowledges this as the predominant view, takes a single study on immigration to "prove(!)" the idea wrong, and then credits Nordic success to the "Class struggle" as a mere assertion. But perhaps I missed something. [0]- http://onlinelibrary.wiley.com/doi/10.1111/j.1467-9477.2007.00176.x/abstract http://onlinelibrary.wiley.com/doi/10.1111/j.1467-9477.2007....