The mind's cross indexing puts the best librarian to shame.
Socialist countries throughout the world love to lower retirement ages to make people prematurely dependent on the government. But we should move in the opposite direction. In the long run, indexing retirement to life expectancy will yield enormous revenues to the system, far more than a one-shot increase in the age in the current legislative cycle.
For the taxable investor, indexing means never having to say you're sorry.
One could imagine a period like Japan13 years ago, however, in which indexing over time wouldn't work.
Detailed analytical indexing is generally the hallmark of good back-of-the-book indexes.