Research

My research broadly examines how households and markets respond to economic constraints, with work spanning labor markets, food prices, agriculture, and the methods used to measure these outcomes.

Citations and metrics are also on Google Scholar.

Publications and working papers

  1. 2026

    The Overeducation Trap: Household Wealth and Education-Occupation Mismatch Among College Graduates in the Philippines

    Aubrey JolexEducation Economics

    A 48.6 percentage point mismatch gap separates graduates from the poorest and richest income deciles, using FIES-LFS data on 198,343 employed graduates (2009-2023).

    48.6 pp

    mismatch gap

  2. 2026

    Does home food production insure against food price shocks? Evidence from matched subsistence and market households in the Philippines

    Aubrey Jolex, Mariel Antoinette FelizardoCogent Economics & Finance

    Market households show a price elasticity of -0.36, while matched subsistence households show near-zero elasticity (+0.05).

    0.41

    elasticity difference

  3. 2026

    Code in the Machine: Can Large Language Models Reproduce Econometric Analyses?

    Aubrey JolexWorking Paper WP2026_07

    Tests where LLM-assisted econometric replication succeeds, where it fails, and where human judgment is still essential.

    Presented at the World Bank and CEGA Measuring Development Conference 2026

  4. 2024

    A New Approach to Monitoring Farmer Prices: Method and an Application to Malawi

    Bob Baulch, Seng Kiong Kok, Aubrey JolexThe Journal of Development Studies

    Develops and tests a crowdsourcing approach to farmer price monitoring using radio jingles, a toll-free call centre, and incentives for price reports.

  5. 2024

    Welfare Impacts of Seasonal Maize Price Fluctuations in Malawi

    Levison Chiwaula, Joachim De Weerdt, Jan Duchoslav, Joseph Goeb, Anderson Gondwe, Aubrey JolexMaSSP Working Paper 45

    A stable maize price would modestly increase total social surplus across a year, but sharply reduce hunger during the lean season.

    +6%

    welfare gain for the poor

  6. 2022

    Influence of Agricultural Extension Services on Technical Efficiency of Maize Farmers in Malawi

    Aubrey JolexAfrican Journal of Agricultural and Resource Economics

    Access to agricultural extension services is associated with higher technical efficiency among maize farmers (IHS5, stochastic frontier and propensity score matching).

    +4%

    technical efficiency

  7. 2022

    Crowding Out Effects of Alcohol Consumption Expenditure on Household Resource Allocation in Malawi

    Aubrey Jolex, Ben KaluwaPLOS ONE

    Alcohol spending crowds out budget shares for food, clothing, education, and other household needs.

  8. 2022

    The Effect of ICT Use on the Profitability of Young Agripreneurs in Malawi

    Aubrey Jolex, Adane TufaSustainability

    Among 317 young farmers in Lilongwe and Dedza, more intensive ICT use is linked to a higher probability of high profits.

    +18%

    probability of high profits

Other working papers

Selected policy and research outputs