Bibliography (10):

1. https://onlinelibrary.wiley.com/doi/full/10.1111/ajps.12894

2. https://statmodeling.stat.columbia.edu/2017/12/15/eats/

3. https://arxiv.org/pdf/2105.13445#page=2

4. https://arxiv.org/pdf/2105.13445#page=3

5. https://arxiv.org/pdf/2105.13445#page=4

6. Wikipedia Bibliography:

   1. Socioeconomic status

   2. Instrumental variables estimation

   3. Statistical-significance

   4. Priming (psychology)

   5. https://en.wikipedia.org/wiki/Brownian_motion  :

      https://en.wikipedia.org/wiki/Brownian_motion