the present article employs sociological, socio-psychological and anthropological theories design a theoretical framework and model with due regard to theoretical viewpoints and experimental resources and proposes hypotheses on the basis of them. the integrative research method includes a survey and historical study. the population includes 404 teachers related to 6 tribal groups: curd, fars, t...

We argue that on electronic markets, limit and market orders should have equal effective costs on average. This symmetry implies a linear relation between the bid-ask spread and the average impact of market orders. Our empirical observations on different markets are consistent with this hypothesis. We then use this relation to justify a simple, and hitherto unnoticed, proportionality relation b...

Prior studies that examine the relation between market depth and bid–ask spread are often limited to first level of limit order book. However, full book provides important information beyond about spread, which affects trading decisions participants. This paper examines intraday behavior in five-deep a futures setting. A dummy-variables regression framework is employed estimated using generaliz...

in this research, the relation between political philosophy and power in political thought of leo strauss and michel foucault has been discussed. to nietzsche and his different definition of power, this concept had close relationship with centralization and political rulership, so that political philosophy as a seeking to reach the truth, its relation to power was defined as a reply to justify ...

The spread of rumors, which are known as unverified statements of uncertain origin, may threaten the society and it's controlling, is important for national security councils of countries. If it would be possible to identify factors affecting spreading a rumor (such as agents’ desires, trust network, etc.) then, this could be used to slow down or stop its spreading. Therefore, a computational m...