diff --git a/scoping_review.qmd b/scoping_review.qmd
index d5a0fd4..9ef514f 100644
--- a/scoping_review.qmd
+++ b/scoping_review.qmd
@@ -615,6 +615,25 @@ The section will also present a discussion on the implications of the current ev
 Since policies employed in the pursuit of increased equality can take a wide form of actors, strategy approaches and implementation details,
 the following synthesis will first categorize between the main inequality (or combination of inequalities) a policy is aimed at improving.
 
+{{++ sort by intervention? gender+generational=maternity:paid leave,education benefits; disability+others; education+others  ++}}
+
+## Income inequality through a vertical lens
+
+One of the primary lenses through which policy interventions to reduce inequalities in the world of work are viewed is that of income inequality, often measured for all people throughout a country or subsets thereof.
+
+Income and gender
+
+
+income and racial/ethnicity
+
+income and disability
+
+income and spatial
+
+income and age
+
+{{++ first describe income inequ as vertical then view it through horizontal lenses of other inequalities ++}}
+
 ## Gender inequality
 
 Gender inequality is the second most reviewed dimension of workplace inequality in the study sample,