Romanian Abstract: Lucrarea de faţă abordează tematica arbitrajului preţurilor dezvoltată de către Stephen A. Ross (1976), care porneşte de la premiza că valorile mobiliare subevaluate pot fi revândute pe o altă piaţă în ideea de a profita în urma diferenţei de preţ, această...

Market economy is characterized at a time, among others, by the existence of twopartners, so that one has some money, a certain amount of capital, and one needs money. The first has money and wants to capitalize on them as possible, and the second wants to enter into possession of a capital base...

From the multitude of variations of capital investment on the capital market, this work cuts two of them namely capital investments in options contracts and capital investments in straddle contracts. A distinct place it occupies in the paper presentation of the operating mechanisms of the two...

Romanian Abstract: În contextul actualei crize economice, reducerea costurilor are o importanţă deosebită în orice domeniu de activitate. Totodată, conformarea cu cerinţele de mediu reprezintă de asemenea un factor esenţial. Datorită acestor aspecte, analiza eco-economică,...

In the Eulerian approach the behavior of the atmospheric pollutants is described relative to a fixed coordinate system. Thus the pollutant concentration is a function depending on the system coordinates and must satisfy the material balance taken over a volume element. Expressed mathematically,...

The present study wishes to bring to the attention of the reader the alarming impact that the common benzene molecule has on the environment, with unimaginable implications on the human being. Although it has a great economic importance, being used in many industries, specialists are underlining...

Protecţia mediului a devenit o preocupare majoră afişată de majoritatea agenţilor economici în comportamentul lor social, politic şi din ce în ce mai mult în cel economic. Fără îndoială, acest interes colectiv are la bază ideea că resursele mediului nu sunt mereu exploatate corect...

In the paper, considerations on the destruction process of the stratospheric ozone by substances emitted by anthropogenic pollution sources and which reach in the stratosphere by transport from the troposphere are presented. In the stratosphere, the lifetime of these substances is less than in...