Google Scholar Profile: https://scholar.google.com/citations?user=B0aXjykAAAAJ&hl=en
- Dinev, I., Andretta, M., Imperatore, P., Vangeel, N., Lenaerts, K., Panzaru, C., Negoiță, G., Korkontzelou, C., Kofti, D., Makelova R. & Kostov, L. (2025): Labour unrest in the context of multiple crises: a comparative perspective of Europe, Social Movement Studies, DOI:10.1080/14742837.2025.2562879
- Kostov, L. (2026). Human Capital in the 21st Century: Structure, Challenges, Economic Growth. SEER Journal for Labor and Social Affairs in Eastern Europe.
- Kostov, L. (2020). The Impact of Labor Productivity on Wages in the EU. Economic Thought Journal. Issue 3. Pp. 146 – 158 – https://www.ceeol.com/search/articledetail?id=857403
- Kostov, L. (2017). The impact of economic growth on inflation and unemployment in Bulgaria, 2006-2016. SEER Journal for Labour and Social Affairs in Eastern Europe. Volume 20. pp. 85 – 100; https://www.jstor.org/stable/26379909
- Kostov, L. (2020). The Impact of Labour Productivity on Wages, 2000 – 2017. SEER. Journal for Labour and Social Affairs in Eastern Europe. Volume 22. Issue 22. pp. 217 – 224-https://www.nomos-elibrary.de/10.5771/1435-28692019-2-217/the-impact-of-labour-productivity-on-wages-in-bulgaria-2000-2017-volume-22-2019-issue-2
- Kostov, L. Tomev, L., Ivanov, M. (2019). The European Semester as a catalyst to overcome national social dialogue blockages. Case study Bulgaria. OSE Research Paper No: 36. pp. 1 – 38. http://www.ose.be/files/publication/OSEPaperSeries/Invotunes_2019_OseResearchPaper36_Bulgaria.pdf
- Kostov, L. (2020). Inequalities and political populism. SEER: Journal for Labour and Social Affairs in Easter Europe, 23(2), 233-244. https://scholar.google.com/citations?view_op=view_citation&hl=bg&user=kppuESUAAAAJ&citation_for_view=kppuESUAAAAJ:qjMakFHDy7sC
- Kostov, L. (2024). Collective bargaining as a tool for real wage increases. SEER: Journal for Labour and Social Affairs in Eastern Europe, 27(1), 43. https://scholar.google.com/citations?view_op=view_citation&hl=bg&user=kppuESUAAAAJ&citation_for_view=kppuESUAAAAJ:0EnyYjriUFMC
- Kostov, L. (2023). Modern inequalities: a review of the literature. SEER: Journal for Labour and Social Affairs in Eastern Europe, 26(1), 81-94. https://scholar.google.com/citations?view_op=view_citation&hl=bg&user=kppuESUAAAAJ&citation_for_view=kppuESUAAAAJ:2osOgNQ5qMEC
- Kostov, L., & Moraliyska, M. (2022). The minimum wage in the European Union in the context of the new European directive. In Economic and Social Development: Book of Proceedings of the 90th International Scientific Conference on Economic and Social Development, 9(357) (pp. 203-212). Varazdin Development and Entrepreneurship Agency. ISSN: 1849-7535
- Lyuboslav Kostov and Monika Moraliyska. Impact of income inequality on economic growth in the European union in the period 2010-2021. In A. Zahariev, S. Prodanov, H. Ribeiro (Eds.). Economic and Social Development: Book of Proceedings of the 87th International Scientific Conference on Economic and Social Development – „Economics, Management, Finance and Banking“ (pp. 251-260). Varazdin Development and Entrepreneurship Agency. 2022. ISSN: 1849-7535
- Костов, Л. (2020). Влияние на неравенствата върху стандартните трудови отношения. Научни Трудове на УНСС, Книга 5, декември 2020 г. – http://unweresearchpapers.org/uploads/ResearchPapers/RP_vol5_2020_No14_L%20Kostov.pdf
- Костов, Л. Димитров, Пл. (2018). Десет години пропорционално данъчно облагане в България: Време за равносметка. Фондация „Фридрих Еберт –България“. ISBN 978-954-2979-34. стр. 1 – 25 – http://library.fes.de/pdffiles/bueros/sofia/15330.pdf
- Костов, Л. (2018). Индустрия 4.0 от гледна точка на синдикатите. Индустрия 4.0: Предизвикателства и последици за икономическото и социалното развитие на България. Българска стопанска камара и Фондация „Фридрих Еберт“ – България. стр. 34 – 39. https://library.fes.de/pdf-files/bueros/sofia/14601.pdf
- Костов, Л. (2024). Икономика и демография: преглед на литературата. Научни трудове на УНСС, 2(2), 65-75. https://scholar.google.com/citations?view_op=view_citation&hl=bg&user=kppuESUAAAAJ&citation_for_view=kppuESUAAAAJ:hqOjcs7Dif8C
- Костов, Л. (2025). Икономически растеж и човешки капитал: теория и практика. сп. Индустриални отношения и обществено развитие, стр. 26-37. ISSN: 2683-0167.
- Костов, Л. (2024). Средносрочната бюджетна прогноза като инструмент за формулирането на фискалната политика на България. Научни трудове УНСС, 4(4), 147-157. https://scholar.google.com/citations?view_op=view_citation&hl=bg&user=kppuESUAAAAJ&citation_for_view=kppuESUAAAAJ:8k81kl-MbHgC