Upstream and midstream business are expected to be the most affected, as large numbers of experienced workers retire and competition for new talent heats up. This is not just an “HR issue”: Knowledge, not assets, will be the source of future value growth in the sector, and a shortage of well-qualified professionals will constrain the abilities both to grow in scale and to compete in an ever mor...

With economies of scale, a vertically integrated firm can lower its upstream cost by supplying downstream competitors. The competitors may strategically choose not to purchase from the integrated firm, unless the latter’s price for the intermediate good is sufficiently lower than those of alternative suppliers. In a simple model of dynamic scale economies through learning by doing, equilibrium ...

Most of the issues regarding desertification are always related to soil fertility and water quality [1,2]. Hence United Nation Framework Convention on Climate Change (UNFCCC) seriously globalized the issues of desertification in 1992. The developed and developing including hilly mountainous countries are the conference of the parties and so as Nepal [3]. The catchments in hill and Himalayan reg...

In this research we model and estimate the effects on productivity downstream from information technology (IT) investments made upstream. Specifically, we examine how one industry’s productivity is affected by the IT capital stock of its suppliers. These supplier-driven IT spillovers occur because, due to competition in the supplying industry, quality benefits from suppliers’ IT investments can...

petroleum upstream service contracts possess different aspects of legal, contractual, fiscal, economic, technical and environmental nature. in this research, efforts have been made to review one of the aspects of the petroleum upstream contracts which have been far too little considered, namely the fiscal system of upstream service contracts. since every service contract possesses its own indep...

riparian vegetation is a component of river system that performs certain basic functions including primary vegetative production, protecting stream banks from erosion, trapping sediments, promoting water quality, wildlife habitat and fisheris, forage for livestock, etc. in this research, spatio-temporal change of vegetation riparian area of aghbolagh-river as an upstream of karoon-river for 65-...