Reversal is the current stylized fact of weekly returns. To the contrary, we find a robust and dominant momentum in one-week returns. The brief reversal that follows extreme weekly returns is itself followed by an opposing stream of continuation in returns. These subsequent momentum profits are strong enough to offset the initial reversal and to produce a significant momentum effect over the fu...

Virtual collaboration has become an essential part of how work gets done in organizations today and knowing how to collaborate virtually is an important skill for success. Courses with team projects may include a virtual component, but rarely is there any explicit education on how best to engage in virtual collaboration. The topic is a complex one that takes into account a wide variety of issue...

This paper is concerned with empirical approaches within the field of evolutionary economics. Evolutionary economics devotes special emphasis on the heterogeneity of actors with respect to their technological performance as well as to their inventive and innovative success. This causes major methodological problems which require appropriate measures and methods for their solution. This article ...

it is well-known that “casual conditional” in islamic logics has been used with two meanings: “specific conditional” and “general conditional”. however, viewing the works of the muslim logicians, we find out that these two meanings of “casual conditional” have been interpreted in two various ways: each of the general and specific conditionals is sometimes interpreted as the condition of “non-ne...

Economists included knowledge their models to improve their explanatory accuracy. A major step was to describe the production of knowledge as well as its exploitation as an internal part of economic models. Politicians prefer to talk about a new kind of economy so they can sustain the myth of progress. Rather than explain economies using a new model they try to leave economic history intact whi...