Purpose – This paper aims to introduce the reader to investigate some aspects of investment decision making from a constructivist perspective. Design/methodology/approach – The constructivist perspective is introduced in its dual nature of epistemology and of modelization. From...

Purpose – This paper aims to propose an account of the use of numbers and mathematical formulae and, more generally, of the quantitative aspects in the qualitative equity valuation model of the American investor Philip A. Fisher who is considered to be one of the fathers of the qualitative...

Purpose The authors are interested in building descriptive – real life – models of successful investors’ investment reasoning and decision-making. Models designed to be useful for trying to replicate and evolve their reasoning and decision-making. The purpose of this paper, a case study,...