Update papers.bib

Author: marespadafor

_bibliography/papers.bib

@@ -1,15 +1,14 @@
----
----
-
 @article{espadafor2021negative,
   title={The negative consequences of sports betting opportunities on human capital formation: Evidence from Spain},
   author={Espadafor, Mar and Mart{\'\i}nez, Sergi},
-  journal={Plos one},
+  journal={PLOS ONE},
   volume={16},
   number={10},
   pages={e0258857},
   year={2021},
-  publisher={Public Library of Science San Francisco, CA USA}
+  publisher={Public Library of Science},
+  doi = {10.1371/journal.pone.0258857},
+  url = {https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0258857}
 }
 
 @article{kreiman2022unexpected,
@@ -20,24 +19,27 @@ @article{kreiman2022unexpected
   number={5-6},
   pages={348--367},
   year={2022},
-  publisher={Taylor \& Francis}
+  publisher={Taylor \& Francis},
+  doi = {10.1080/1057610X.2019.1678877},
+  url = {https://www.tandfonline.com/doi/full/10.1080/1057610X.2019.1678877}
 }
 
 @phdthesis{espadafor2023selection,
   title={Selection or moderation?: three essays on educational inequalities},
-  author={ESPADAFOR, Mar C},
+  author={Espadafor, Mar C},
   year={2023},
-  school={European University Institute}
+  school={European University Institute},
+  url = {https://cadmus.eui.eu/handle/1814/75444}
 }
 
-
 @article{espadafor2025intergenerational,
-  title={The intergenerational effect of educational expansion: evidence from a natural experiment in Spain},
+  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}
+  publisher={Oxford University Press},
+  doi = {10.1093/esr/jcaf003},
+  url = {https://academic.oup.com/esr/advance-article/doi/10.1093/esr/jcaf003/8107684}
 }
 
 @article{valdes2025can,
@@ -48,5 +50,7 @@ @article{valdes2025can
   number={1},
   pages={8},
   year={2025},
-  publisher={Springer}
+  publisher={Springer},
+  doi = {10.1007/s11111-025-00477-8},
+  url = {https://link.springer.com/article/10.1007/s11111-025-00477-8}
 }