They face a constant battle to protect pockets of high profits and have few chances to grow.

ECONOMIST: Lessons from the telecoms bubble (1)

For instance, one reason why pockets of unusually high unemployment exist, he argues, is that those communities tend to be outside the right networks.

ECONOMIST: Managing power networks should be a priority

If vessels want to catch the tuna in the PNA's rich waters, they must agree to host an independent monitor onboard and stay out of designated high seas pockets that extend for 1.7 million square miles.

WSJ: David Walter: The Great Pacific Tuna Cartel