Update papers.bib

Author: marespadafor

_bibliography/papers.bib

@@ -29,3 +29,24 @@ @phdthesis{espadafor2023selection
   year={2023},
   school={European University Institute}
 }
+
+
+@article{espadafor2025intergenerational,
+  title={The intergenerational effect of educational expansion: evidence from a natural experiment in Spain},
+  author={Espadafor, Mar C and Garc{\'\i}a-Sierra, Alicia},
+  journal={European Sociological Review},
+  pages={jcaf003},
+  year={2025},
+  publisher={Oxford University Press UK}
+}
+
+@article{valdes2025can,
+  title={Can a low emission zone improve academic performance? Evidence from a natural experiment in the city of Madrid},
+  author={Vald{\'e}s, Manuel T and Espadafor, Mar C and Conte Keivabu, Risto},
+  journal={Population and Environment},
+  volume={47},
+  number={1},
+  pages={8},
+  year={2025},
+  publisher={Springer}
+}