An F-cone is a pointed and generating convex cone of a real vector space that is the union of a countable family of finite dimensional polyedral convex cones such that each of which is an extremel subset of the subsequent one. In this paper, we study securities markets with countably many...

Case study is one of the main research methods used in social sciences. It is one of the qualitative research methods as its focus is on understanding in depth a relatively limited number of cases rather than on the quantitative analysis of a large body of data. In this article the...