Klaus Grobys holds a PhD in Finance (University of Vaasa), and is an Adjunct Professor of Financial Economics (Docent) specializing in Asset Pricing (University of Jyväskyla). He has several years of professional working experience in the finance industry. Among others, he worked as Risk Analyst at the Headquarters of the Swedish bank Klarna AB in Stockholm. Klarna AB is the largest FinTech company in Europe valued at $ 5.5 B. In his position as Risk Analyst, he carried out several projects such as developing quantitative models for estimating the company's Loss-given-Default or Risk-of-Fraud using the company's extensive SQL databases. His PhD thesis is graded as "Passed with Distinction". In this regard, Professor Dr. James Kolari (Texas A&M University, USA) ranked Grobys' thesis among the top-10% of all doctoral theses in finance that he evaluated as a committee member during his more than 35 years of career in academia. Grobys' research is published in prestigious finance journals. About 75% of his scientific research output is published in A-journals. His research received enormous media attention and was, among others, covered in Forbes, Alphaarchitect, and Cointelegraph.
The authors employ portfolio analysis to explore whether energy is a fundamental economic factor affecting cryptocurrency prices.