pt. I. Asset pricing and investments -- 1. Markov switching models in asset pricing research / Massimo Guidolin -- 2. Portfolio optimization: theory and practical implementation / William T. Ziemba -- 3. Testing for speculative bubbles in asset prices / Keith Anderson, Chris Brooks and Apostolos...

In this paper, we compare and contrast financial data science with econometrics and conclude that the former is inevitably interdisciplinary due to the numerous skill-sets needed within a competitive research team. The latter, in contrast, is firmly rooted in economics. Both areas are highly...