That's because I think one can take advantage of imperfect correlations by rebalancing whereas if you keep market allocations dynamic, you'll just let it ride. (canadiancapitalist.com)
Forward and futures contract — Successful use of futures and forwards is dependent upon the subadvisors» skill and experience with those instruments and include risks such as imperfect correlation, potentially unlimited losses, inability to predict movements or direction, counterparty default, and margin requirements resulting in a disadvantageous sale. (jackson.com)
Portfolios of hedged global bonds take advantage of imperfect correlations among developed bond markets and enjoy the classic benefits of diversification. (canadiancapitalist.com)