-Joseph Proudhon (1809-1865) in relation to the causes and effects of Stock market speculation. It is based upon the works of this …'s thought in relation to speculation. It is divided into two parts. The first part is dedicated to Pierre-Joseph Proudhon …'s definitions of stock market speculation or gambling with shares that for him served no purpose either from a human or economic …

discusses the legal-economic framework of speculation and its recent transformation, making reference to the case of derivatives … model of trade (and speculation) based on disagreement, advocating further developments that take into account market …

correct in pointing out that speculation with CDS can conceivably hurt the borrowers' interests, they fail to grasp that this …

We study the existence of equilibrium and rational bubbles in a Ramsey model with heterogeneous agents, borrowing … existence of equilibrium in the Ramsey model. In the second part of the paper, we address the issue of rational bubbles and we …

) bubbles can arise. From a normative point of view, monetary policies that are not too expansive, are recommended in order to …

second regime occurs, we say that the economy experiences a temporary bubble. We show the existence of temporary bubbles, and … we prove that cyclical equilibria may exist. In these equilibria, the economy experiences some periods without bubbles … and some periods with bubbles. We also show that monetary creation can be used in order to eliminate temporary bubbles. …

the fundamental asset value and the recurrent presence of autonomous deviations or bubbles. Such a process can be … common procedure in the presence of localizing parameters. This methodology allows to detect the presence of bubbles and …