This paper seeks to analyse from a comparative point of view the efficiency of the use of manual labour as well as the mechanized works in the cultivation of oil plants in order to obtain profit and the profitability of this activity from the point of view of conventional and ecological crops....

Sticky costs materialize when costs increase more with rising an activity than they decrease with falling of the very same amount of the activity. Over time a silent diffusion of sticky costs can be observed in the HoReCa (HOtel/REstaurant/CAtering) industry. In sticky costs literature the cost...