Cayrua Chaves Fonseca

Cayrua Chaves Fonseca is a Visiting Professor of Economics at the University of the Balearic Islands, affiliated with the Department of Applied Economics. His research focuses on applied microeconomics at the intersection of digital economy, cultural economics, and urban economics. He teaches undergraduate and postgraduate courses in Microeconomics and Economic Evaluation of Projects and is a member of the International Economics (GREI) research group.

• PhD in Economics from CEMFI, Madrid
• Bachelor's in Industrial Engineering from Universidade Federal de Viçosa, Brazil, with study-abroad experience in Australia and the USA

His recent research examines:

• How cultural norms influence social conformity in online reviews (e.g., Tripadvisor)
• Impacts of digital short-term rental platforms on housing markets and urban dynamics
• The role of online reviews in firm survival and consumer decision-making

Key publications include:

• July 2024: Peer-reviewed study on Airbnb regulation in Santa Monica (International Journal of Housing Markets and Analysis)
• July 2024: Working paper analyzing Airbnb effects on housing prices in Madrid (causal mediation with instrumental variables)
• October 2024: Work-in-progress quantifying cultural differences in social influence via online reviews (discontinuity in Tripadvisor ratings)
• July 2021: Theoretical model on online reviews and firm dynamics in the restaurant industry

He participates in R&D structures like the consolidated GREI group and has taught courses including:

• Microeconomics I (2023-24, UIB)
• Economic Evaluation of Projects (2023-24, UIB)
• Extensions of Economic Evaluation (2023-24, UIB)
• Big Data/Web Scraping (2020-21, CEMFI)
• Machine Learning in Finance (2019-20, CEMFI)