“…Human capital investments involve "an initial cost (tuition and training course fees, forgone earnings while at school and reduced wages and productivity during the training period) which the individual or firm hopes to gain a return on in the future (for example, through increased earnings or higher firm productivity)" Moulton, 2004 Intangible investments are "activities in which producers devote resources in one period with the intention of improving products, processes, or knowledge for use in future production" European Commission, 2006 "…research intensive enterprises invest not only in R&D and innovation, but also in other forms of Intellectual Capital. Empirical studies provide evidence for the tight link and contingency between investments in R&D, innovation, human resources and relational capital" Boujelben and Fedhila, 2011 "Two types of expenditures can be regarded as alternative forms of intellectual capital investments that contribute to shareholder value: advertising and R&D expenditures" Gaol, Kadry, Taylor and Li, 2013 R&D expenditure is "a part of structural capital" Sydler, Haefliger and Pruksa, 2014 "Investors view labor costs as a rough metric for human capital investments" Goldin, 2014 Human capital investments are "investments in people (e.g. education, training, health)" that "increase an individual's productivity" OECD, 2015…”