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Hi! I'm Guillermo Martínez, a PhD candidate at CEMFI. My research interests lie in the economics of health, family and education.

Some of the questions my research aims to answer are: How can we improve health outcomes in illicit drug markets? How do parenting abilities influence household well-being? Are academic outcomes affected by environmental regulations?

I'm also a recipient of the Ramón Areces Foundation grant.

Email: guillermo.martinez /at/ cemfi /dot/ edu /dot/ es
Address: C/ Casado del Alisal, 5, 28014 Madrid, Spain
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Published work

How does early parenting support improve family outcomes? Experimental evidence from Spain

Published in SERIEs, August 2026

We evaluate the impact of early childhood parental workshops on family outcomes. The intervention improved parenting skills, household relationships, and children's educational outcomes.

Joint with Ana García Hernández and Inés Torres Rojas

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Working papers

The effects of traffic restrictions on academic performance

Soon!

Joint with Javier García Brazales and Micole de Vera

Selected work in progress

Do drug checking services improve health outcomes?

Soon!