Dominik Metelski: Research Assistant in the Department of Spanish and International Economics at the University of Granada (Spain). He is an economist with a degree from the University of Warsaw, and holds a PhD in the field of economic sciences from the Department of International Economics of the University of Granada, under the Programme of Studies on Advanced Techniques in Financial and Commercial Planning, Management and Control. His research interests are primarily related to such topics as productivity, migration as well as issues in the areas of entrepreneurship, innovation, real options and financial markets with particular emphasis on companies’ valuations, portfolio management and financial options. ORCID: http://orcid.org/0000-0003-0195-0342