adopting a policy and deciding on long-term investment in the mining industry by a government orprivate sector actors depends strongly on the ability to predict the scarcity of mineral reserves. changein scarcity of mineral reserves is a function of several technological and non-technological factors.among them, change in technology is the most significant factor affecting scarcity. this paper ...

Conflict is the key factor to affect investment and benefits of the industry technologies and innovation strategic alliance. This paper constructs an investment decision model of industry technology innovation strategic alliance by discussing the influence of the conflict on the alliance generic technology investment and the impact of member benefits. The results suggest that maximize revenue o...

<p style='text-indent:20px;'>In the business world, both supplier and retailer accept credit to make their position strong, because not only strengthens relationships but also increases scale of profits. In this paper, we consider an inventory model for non-instantaneous deteriorating items with price sensitive demand, time varying deterioration rate under two-level trade policy. Besides,...

There are relatively few digital preservation policies within institutions: is digital preservation a subject of no importance? This paper presents ongoing work and findings from a JISC funded study on institutional digital preservation policies which aims to provide an outline model for digital preservation policies and in particular to analyse the role that digital preservation can play in su...

This paper addresses a single item two-level supply chain inventory model considering deterioration during carrying of deteriorating from supplier’s warehouse to retailer’s as well in the warehouse. The assumes preservation technology prevent rate deterioration. An upper limit for investment has been set constraint model. maximizes profit per unit time, simultaneously calculated optimal order q...

Abstract O ur basic aim in this paper concerns the question that if overusing the Information Technology by service and manufacturing firms can increase the total productivity resulting from this kind of technology regarding the Iran's economic structure and conditions. For this purpose, we primarily evaluate the productivity resulting from the rate of firms' use of IT for...

in this paper, an economic decisions-making model based on mathematics in order to optimize the costs of investment in accordance with innovative technology of human resources recruitment introduced and in the next section, the economic impact of the internet recruitment technologies has been examined.  in order to fulfill these demands classic economic order quantity model of have developed as...