1. DFA's small-stock funds managed to outperform small-stock indexes and most other small cap funds. What are the main reasons for them to be able to do so?
2. Do size and value effects mean that any small stock tends to outperform large stock and that any value stock tends to outperform growth stock? What should be the right way to describe these effects?
3. Do size and value effects mean that small outperform large or value outperform growth in every year/every month? What should be the correct horizon to invest in the size and the value effects?