There's a wonderful book that an HN'er recommended a while back on a thread similar to this one called "Exit, Voice, and Loyalty" which is in essence precisely

There's a wonderful book that an HN'er recommended a while back on a thread similar to this one called "Exit, Voice, and Loyalty" which is in essence precisely about this: what makes members of an organization (be it a company, country, or other) leave or stay. Highly recommended reading.