this paper tries to estimate employees population in time series in irans economic sectors within 1955-2006. natural spline and monotone cubic spline interpolation methods were used in order to estimate the time series statistics of the employees population between two censuses or two consecutive samplings. an explanatory variable was chosen according to labor demand and labor market structure....

a value chain is a series of events that takes a raw material and with each step adds value to it. global interest in the application of natural gas (ng) in production and transportation has grown dramatically, representing a long-term, low-cost, domestic, and secure alternative to petroleum-based fuels. many technological solutions are currently considered on the market or in development, whic...

Modern diagnostic methods enable clinicians to look beyond a diagnosis of chronic Q fever and discern whether patients instead have persistent focalized Coxiella burnetii infection(s). Use of these methods and development of criteria to define and treat such infections, especially cardiovascular infections, will improve the prognosis for patients previously thought to have chronic Q fever.

Given that the core issues of attention research have been recognized for millenia, we do not know as much about attention as we should. I argue that the reasons for this failure are (1) we create spurious dichotomies, (2) we reify attention, treating it as a cause, when it is an effect, and (3) we equate a collection of facts with a theory. In order to correct these errors, we need a new techn...

Is the Introspection Thesis true? It certainly isn’t obvious. Introspection is the faculty by which each of us has access to his or her own mental states. Even if we were to suppose that mental states are identical to brain states, it doesn’t follow immediately from this supposition that we can introspect our mental states as brain states. This point is analogous to the following. It doesn’t fo...

the concept of value creation is gaining momentum in iran under the open regime. iranian companies are geared to understand and act upon the concept of shareholder value to stay competitive in this unfathomable and volatile environment. most executives today understand that, the need to create shareholder value is paramount and the world’s most competitive management teams are responding to the...

value creation as an essential concept of value-based marketing has not been studied in iran commercial banks with no native measuring scale. this study aimed at develops a native scale for measuring value creation and the measures index’s amount in iran commercial banks. accordingly as a result of theoretical and exploratory studies a comprehensive scale was developed which shows dimensions of...