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Rafael Jerónimo Aragón RafaJeroA

Physics graduate | MSc Specialized Economic Analysis, Barcelona School of Economics

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RafaJeroA /README.md

Rafael Jerónimo Aragón

I am a physics graduate with an MSc in Specialized Economic Analysis (Macroeconomic Policy and Financial Markets Program) from the Barcelona School of Economics.

My projects cover quantitative research in macroeconomics, systematic research, derivatives, energy and computational modelling.

Based in Spain · EU citizen

Selected projects

Options application with Black-Scholes pricing and Greeks, implied-volatility solving, exact multi-leg payoff analysis, scenario grids, synthetic market data and experimental read-only IBKR support.

Walk-forward study of equity news-sentiment signals with point-in-time features, training-only parameter selection, explicit execution timing, transaction costs and leakage checks.

A 29-state mixed-frequency dynamic factor model in MATLAB using Kalman filtering and pseudo-out-of-sample evaluation against persistence and AR benchmarks.

Synthetic Control and Local Projection Difference-in-Differences analysis of sovereign yields and inflation around Bulgaria's euro-area accession.

Julia agent-based model combining energy dispatch optimisation, investment and financing decisions, and policy scenarios.

Methods and tools

Programming: Python, C++, Julia, MATLAB and SQL

Methods: time series, econometrics, causal inference, machine learning, Monte Carlo, numerical optimisation, derivatives analytics and model validation

LinkedIn

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  1. Bulgaria-Euro-SCM Bulgaria-Euro-SCM Public

    Causal analysis of Bulgaria's Euro adoption using Synthetic Control and local-projection DiD

    Python 1

  2. spanish-energy-transition-abm spanish-energy-transition-abm Public

    Julia-based agent-based model of Spain’s 2024–2050 energy transition, combining multi-vector dispatch optimisation, investment and financing dynamics, and policy scenarios.

    Julia

  3. kuramoto-synchronization-simulations kuramoto-synchronization-simulations Public

    Archived C++ and Python study of synchronization in one- and two-dimensional Kuramoto oscillator systems.

    C++

  4. news-sentiment-trading-algo news-sentiment-trading-algo Public

    Walk-forward study of equity news-sentiment signals with point-in-time features, explicit execution timing and transaction costs.

    Python

  5. options-analytics-workstation options-analytics-workstation Public

    Options research workstation with Black-Scholes analytics, multi-leg payoffs, scenario analysis, synthetic market data and read-only IBKR support.

    Python

  6. spain-gdp-nowcast-dfm spain-gdp-nowcast-dfm Public

    Spanish GDP nowcasting with a mixed-frequency dynamic factor model, Kalman filtering, monthly macro indicators and pseudo-OOS benchmarks.

    Python 1

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