Considering the empowered customer interacting with technology-based self-services, temporal and spatial access can be argued to influence service delivery. However, service management models have not considered the value of the service delivery at various locations and time frames not controlled by the service provider. Consequently, by arguing that time and location are explicit value dimensi...

eremurus and forage are main by-products in the khazangah rangelands of makoo region. eremurus is harvested and used by local people in a period of 30 days during the spring in this region. at this study, eremurus and forage have been evaluated financially and the data were obtained through field work using unstructured interviews as well as direct observation. the harvested eremurus value was ...

This paper presents a formal theory of what A. Smith’s Invisible Hand is. We are convinced that the Free Market as a system of intelligent, interacting, selfish agents creating a powerful and universal computational mechanism. The model of computations for this mechanism is based on three concepts: molecular computations, implied computations and value labeling logic expressions representing bu...

since the promenades allocate the part of the country's revenues, therefore, attention to its valuation is very important. springs in desert area are the most prominent of natural landscapes. more study in country investigates recreational value using double– bounded dichotomous choice. but in this study, single-bounded dichotomous choice has been used because of this approach is more like...

in this research, performance of portfolios formed by use of grid strategy based on new variables (aggressive, indifference and defensive stocks) presented by rahnamaye roodposhti (1388), and traditional ones (growth, growth-value and value stocks), calculated with sharpe and treynor performance measures and tested by an active portfolio management approach to identify the portfolios by perform...