Jean de Oliveira

Jean de Oliveira

PhD Candidate in Economics
Goethe University Frankfurt


I am a PhD candidate at Goethe University Frankfurt (Graduate School of Economics, Finance and Management). I study how trust and beliefs drive economic behavior, with applications in household finance, development, and environmental economics.


Working Papers

Branches and Roots: Banking Presence and Deforestation in Amazonian Indigenous Lands

With Douglas K.G. de Araujo

Each additional bank branch near an indigenous territory in the Amazon reduces cumulative forest loss by 1.7 km² over five years — not through income effects, but through social capital: branches increase local interactions, build community ties, and reduce criminal networks’ capacity to operate.

PDF (coming soon) Interactive Online Appendix

Actual and Perceived Financial Knowledge over the Life Cycle

Unjustified financial confidence raises the probability of retirement-account leakage, identified using parental financial teaching as exogenous variation; the welfare cost is small over the working life (0.08% of consumption) but reaches 1.7% at retirement, when labor income no longer buffers miscalibrated decisions.

PDF (coming soon)

Work in Progress

War Narratives and Household Inflation Expectations

With Johannes Zahner


Publications

In Engineering

New Technologies for Newborn Safety

[Patent] Oral Feeding Readiness Prediction System for Neonates. Korean Intellectual Property Office, 2024.

Quantitative non-nutritive sucking measurement as a predictor of oral feeding readiness in newborns. (Frontiers in Pediatrics, 2023)

With Kyeong Jae Lee, Yong Beom Shin, Ho Eun Park, Suro Choi, Daun Hong, Sohee Kim, and Jin A Yoon

A silver nanowire-based flexible pressure sensor to measure the non-nutritive sucking power of neonates. (Micro & Nano Systems Letters, 2020)

With Tausif Muhammad and Sohee Kim