Add policy cluster to concepts

03-supplementary_data/lib.bib

@@ -62,6 +62,22 @@
   year = {2023},
 }
 
+@article{Vanderhoeven2010incomeinequality,
+  author = {van der Hoeven, Rolph},
+  doi = {10.1080/19452820903481459},
+  issue = {1},
+  journal = {Journal of Human Development and Capabilities},
+  language = {en},
+  month = {2},
+  pages = {67--84},
+  publisher = {Informa UK Limited},
+  tags = {['policy\_distributive']},
+  title = {Income Inequality and Employment Revisited: Can One Make Sense of Economic Policy?},
+  url = {http://dx.doi.org/10.1080/19452820903481459},
+  volume = {11},
+  year = {2010},
+}
+
 @techreport{ilo2015,
   address = {International Labour Office, Geneva},
   author = {ILO},