<italic>Frank H. Knight held two different concepts of “uncertainty” in</italic> Risk, Uncertainty and Profit <italic>(1921). The first is based on the possibility of insuring against an outcome. This interpretation can be found in the existing literature on Knight’s work. The second refers to all instances where...</italic>

The relationship between the concentration ellipsoid of a random vector and its planes of support is exploited to provide a geometric derivation and interpretation of existing results for a general form of the linear regression model. In particular, the planes of support whose points of tangency...

<italic>We examine various, sometimes divergent, conceptions of capital and its structure in the Austrian tradition from Menger (</italic><italic>1871</italic><italic>) to Lachmann (</italic><italic>1956</italic><italic>). We outline Menger’s methodological and philosophical position that recommends investigating the morphology of capital—its shape, form, and...</italic>