Milk has an important role as a vehicle for rural development. Many factors are implicated in milk value chain and marketability in Egypt such as milk production practices, unorganized farmer community, seasonal fluctuation both in production and consumption, financial aspects of dairying, role of middlemen, infrastructure, price fixation and role of government agencies. Many governmental regul...

housing is one of the economic major sectors of the macro economy of country and micro economy of the household. changes in home prices, including consideration of issues in recent years . in this regard, several studies for examining the determinant variables of housing supply and demand and prices have been. this article attempts with using of model dissimilar variance household arch, paying ...

Firms having similar business activities are correlated. We analyze two different cross-correlation matrices C constructed from (i) 30-min price fluctuations of 1000 US stocks for the two-year period 1994-95 and (ii) one-day price fluctuations of 422 US stocks for the 35-year period 1962-96. We find that the eigenvectors of C corresponding to the largest eigenvalues allow us to partition the se...