The marginalist and subjectivist revolution led by Carl Menger during the second half of nineteenth century turned Economics into a science. However, classical value theory did not completely fade away it has been trying continiously to replace subjetivist theory. most serious exhaustive attempt recover in its Ricardian version was one developed italian economist Piero Sraffa. This article seek...

Follicular dendritic cells (FDC) in the germinal centers (GC) of secondary lymphoid organs increase the survival and proliferation of antigen-stimulated B cells and are pivotal for the affinity maturation of an antibody response and for maintenance of B cell immunological memory. The dark zone (DZ) and the light zone (LZ) constitute distinct areas of the GC containing different subtypes of FDC ...

In capital budgeting problems future cash–flows are discounted using the expected one period returns of the investment. In this paper we establish a theory that relates this approach to the assumption that markets are free of arbitrage. Our goal is to uncover implicit assumptions on the set of cash–flow distributions that are suitable for the capital budgeting method. As results we obtain that ...

This paper considers two different cases of division of labor: (i) the subdivision of different operations in order to produce a particular product in a given firm or plant; (ii) the specialization of firms in the same industry. Division of labor of the former type is limited by demand for output of a particular firm or plant, while division of labor of the latter type is limited by demand for ...

Abstract.The purposeof the recent study is to substantiate directions and develop a methodological approach modelling security of business processes by their main types, considering interests stakeholders who receive value from interaction with business.Business as an economic system based on significant number transactions that can lead different financial, material, informational losses, well...

The 18.5 kDa isoform of myelin basic protein (MBP) is the predominant form in adult human central nervous system myelin. It is an intrinsically disordered protein that functions both in membrane adhesion, and as a linker connecting the oligodendrocyte membrane to the underlying cytoskeleton; its specific interactions with calmodulin and SH3-domain containing proteins suggest further multifuncti...

Human sialidase 2 (NEU2) is a cytoplasmic sialidase that degrades sialylglycoconjugates, including glycoproteins and gangliosides, via hydrolysis of terminal sialic acids to produce asialo-type molecules. Here, we first report the inhibitory effects of a series of synthetic sialyldendrimers comprising three types [Dumbbell(1)6-S-Neu5Ac(6), Fan(0)3-S-Neu5Ac(3) and Ball(0)4-S-NeuAc(4)] toward rec...

BACKGROUND Adenovirus is a recognized cause of influenza-like illness (ILI). The proportion of ILI attributable to adenovirus is not known. Moreover, knowledge gaps remain with respect to the epidemiologic, virologic, and clinical characteristics of adenovirus-associated ILI among otherwise healthy individuals. METHODS An observational, longitudinal study of <65-year-old patients with febrile...