• 2018.  – Ph.D. – University of Ljubljana, Slovenia, Interdisciplinary Doctoral Programme in Statistics
• 2012. – univ. spec. oec. – Faculty of Economics & Business, University of  Zagreb, University Specialist Postgraduate Programme on Statistical Methods for Economic Analysis and Forecasting
• 2007. – B.Sc. – Faculty of Economics & Business, University of  Zagreb, Business Economics

• 2022. – today – Institute for Tourism (Expert Advisor)
• 2019. – 2022. – thinktourism d.o.o.
• 2009. – 2018. – Institute for Tourism (Expert Associate)
• 2007. – 2008. – Sever benzinske crpke d.o.o.

• Behavioral economics
• Choice modelling
• Valuation of public goods
• Survey methodology

• MACROTOUR – Makroekonomski učinci turizma (Hrvatska zaklada za znanost, 2018.-2022.)
• Istraživanja TOMAS - Stavovi i potrošnja turista u Hrvatskoj (TOMAS Zdravstveni turizam 2018; TOMAS Ljeto 2017, 2014, 2010; TOMAS NAUTIKA Jahting 2017, 2012; TOMAS ZAGREB 2012)
• Satelitski račun turizma RH za 2016. godinu s izračunom neizravnih i ukupnih učinaka turizma (2018.)
• Procjena ukupne potrošnje generirane 'Adventom u Zagrebu' u 2016. godini (2017.)
• Park prirode Lastovsko otočje: istraživanje stavova i potrošnje posjetitelja (2015.)
• Park prirode Telašćica: istraživanje stavova i potrošnje posjetitelja (2015.)
• Studija održivog razvoja turističkih krstarenja Dunavom u Hrvatskoj s istraživanjem stavova i potrošnje posjetitelja s međunarodnih krstarenja Dunavom u 2013. godini (2014.)
• Glavni plan i strategija razvoja turizma Republike Hrvatske do 2020. godine (2013.)
• TOMAS FBIH 'pilot' 2010. - Stavovi i potrošnja turista u Federaciji Bosne i Hercegovine (2010.)
• Procjena turističke potrošnje u gradu Zagrebu u 2009. godini (2010.)

• Kožić, I., & Sever, I. (2022). Can tourism activity stabilize cyclical employment? Annals of Tourism Research Empirical Insights, 3(1), 100043.
• Kožić, I., Sorić, P., & Sever, I. (2021). Contextual factors influencing tourism-led growth: do social and political background matter? Current Issues in Tourism, 24(13), 1819-1829.
• Sever, I., Verbič, M., & Klarić Sever, E. (2020).  Estimating Attribute-Specific Willingness-to-Pay Values from a Health Care Contingent Valuation Study: A Best–Worst Choice Approach. Applied Health Economics and Health Policy, 18(1), 97-107.
• Sever, I., & Verbič, M. (2019). Assessing recreational values of a peri-urban nature park by synthesizing perceptions and preferences of trail users. Journal of Environmental Psychology, 63, 101-108.
• Sever, I., Verbič, M., & Klarić Sever, E. (2019). Cost attribute in health care DCEs: Just adding another attribute or a trigger of change in the stated preferences? Journal of Choice Modelling, 32, 100135.
• Kožić, I., Sorić, P., & Sever, I. (2019). Interdependence of international tourism demand for Mediterranean countries: Impact of demand shocks. International Journal of Tourism Research, 21 (1), pp. 97-107.
• Sever, I., Verbič, M., & Marušić, Z. (2018). Measuring trail users’ perception of crowding in a peri-urban nature park: A best-worst scaling experiment. Urban Forestry & Urban Greening, 35, 202-210.
• Sever, I., & Verbič, M. (2018). Providing information to respondents in complex choice studies: A survey on recreational trail preferences in an urban nature park. Landscape and Urban Planning, 169, 160-177.
• Sever, I. (2015). Importance-performance analysis: A valid management tool? Tourism Management, 48, 43-53.
• Pranić, L., Marušić, Z., & Sever, I. (2013). Cruise passengers' experiences in coastal destinations - Floating "B&Bs" vs. floating "resorts": A case of Croatia. Ocean and Coastal Management, 84, 1-12.

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