Neither approach is necessarily better, and there are decent examples of funds of both types. (us.etrade.com)
The only decent example of taxation on the «rich» I can think of which is a stable and non-stagnating system is Nordic system (Sweden and Denmark - excluding oil rich Norway), and even there the taxes on the «rich» are «only» as high as 50 - 60 %. (politics.stackexchange.com)
Actually, ADM & BRF - Brasil are pretty decent examples of processors — dairy processors, on the other hand, might be the worst examples! (wexboy.wordpress.com)