EURO CERAMICS VIII, PTS 1-3, pp.1681-1684, 2004 (SCI-Expanded)
Variation in prices continuously makes it hard to estimate the prices for the engineers involved in project preparation. A method of providing beginning price estimation is to examine a similar fulfilled project cost. As the cost values refer to earlier period years, these values ought to be updated. A cost index is the most appropriate method to revise the cost values referring to the previous years. Thus, the ratio of varying cost and income that is required to investment analysis could be practically estimated.