Varga, Tibor; Tunyogi-Nechay, Veronika; Kemeny, Gabor - 2007
they also determine prices throughoutthe vertical range through their import prices of processed products. Profits in … between merchants and processors. Other factors such as weatherconditions affecting yields may influence prices so much that … stable. Consequentlymarket sides in weaker positions are unable to obtain value proportional prices on thelong run, thus …