Merge branch 'main' into feature_instrumental_variables

Author: NathanielF

docs/source/glossary.rst

@@ -36,6 +36,7 @@ Glossary
    ITS
       A quasi-experimental design to estimate a treatment effect where a series of observations are collected before and after a treatment. No control group is present.
 
+
    Instrumental Variable regression
    IV
       A quasi-experimental design  to estimate a treatment effect where the is a risk of confounding between the treatment and the outcome due to endogeniety.
@@ -84,6 +85,7 @@ Glossary
    Wilkinson notation
       A notation for describing statistical models :footcite:p:`wilkinson1973symbolic`.
 
+
    Two Stage Least Squares
    2SLS
       An estimation technique for estimating the parameters of an IV regression. It takes its name from the fact that it uses two OLS regressions - a first and second stage.

docs/source/references.bib

@@ -52,7 +52,6 @@ @article{wilkinson1973symbolic
   publisher={Oxford University Press}
 }
 
-
 @book{hansenEconometrics,
   title={Econometrics},
   author={Hansen, Bruce E},