fixed income security

1. Is it possible to extend factor-based investing to fixed-income markets? How? And what does "long duration" mean in terms of fixed income?

2. It is appreciated also that you have the discussed the different type of risk that may possibly destroy my momentum in investing. Now, which of the type of risk that I need to focus most?

3. Despite the advantages of fixed-income securities, it is clear that there are also inherent risks to this kind of investment. However, would you still suggest this investment instrument to a middle-income earner who has a meager amount to spare for investments rather than other investment instruments?

f you were asked by a conservative, first-time investor, between stocks and bonds in consideration of how they are valued, what would you recommend to be a better investment vehicle?