Šimko F, Pšenák P. Protective Hypothetical Investment Portfolios During the COVID-19 Recession: Comparison with Superinvestors. EkonCaso [Internet]. 2026 Jun. 15 [cited 2026 Jul. 11];74(1-2):26-47. Available from: https://journals.savba.sk/index.php/ekonomickycasopis/article/view/6777