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A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.
Pages
Posts
portfolio
Outside of research, I enjoy traveling and experiencing different cultures, having lived in several countries across Asia, Europe, and North America. These international experiences have shaped my perspective and inform my interest in global economic issues. I also enjoy playing badminton and long-distance running, and I value opportunities to stay active and engaged outside of academia.
publications
Paper Title Number 5, with math \(E=mc^2\)
Published in GitHub Journal of Bugs, 2024
This paper is about a famous math equation, \(E=mc^2\)
Recommended citation: Your Name, You. (2024). "Paper Title Number 3." GitHub Journal of Bugs. 1(3).
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US Employment Exposure to Domestic and Foreign Tariff Changes Under NAFTA
Published in Applied Economic Perspectives and Policy, 2025
Recommended citation: Diane E. Charlton, Amanda M. Countryman, Dale T. Manning & Sionegael Ikeme (2025). US Employment Exposure to Domestic and Foreign Tariff Changes Under NAFTA. Applied Economic Perspectives and Policy. https://doi.org/10.1002/aepp.13503
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Tariff Troubles: Repercussions of Protectionist Policies on US Agriculture and the Trade Deficit
Published in The World Economy, 2025
Recommended citation: Tatjana Döbeling, Sionegael Ikeme, & Amanda M. Countryman (2025). “Tariff Troubles: Repercussions of Protectionist Policies on US Agriculture and the Trade Deficit.” The World Economy. https://doi.org/10.1111/twec.13731
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Quantitative Comparison of Ad‐Valorem Equivalents for Non‐Tariff Trade Measures: WTO Versus TRAINS
Published in Applied Economic Perspectives and Policy, 2025
Recommended citation: Ikeme, S., Countryman, A. M., Manning, D. T., & Charlton, D. (2025). "Quantitative Comparison of Ad‐Valorem Equivalents for Non‐Tariff Trade Measures: WTO Versus TRAINS." Applied Economic Perspectives and Policy.
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talks
teaching
Teaching Instructor and Teaching Assistant
Instructor & Teaching Assistant, Colorado State University, 2022
- Teaching Assistant for Agricultural Production and Cost Analysis (Graduate-level course, AREC 605) .
- Online Instructor for Agricultural Marketing (AREC 310).
- Online Instructor and Teaching Assistant for Agribusiness (AREC 224).
Guest Lecturer
Guest Lecturer, Colorado State University, 2025
- Part Lecturer for Agricultural Production and Cost Analysis (Graduate-level course, AREC 605): Delivered a module on international trade and related modeling topics. Responsible for planning, developing course content, and teaching for one week.
- Guest Lecturer for undergraduate courses in Trade Economics (AREC 415) and Microeconomics (AREC 202): Delivered guest lectures on gravity models and microeconomics-related topics.