specialize - devote oneself to a special area of work; She specializes in honey bees; This baker specializes in French bread specialise work - exert oneself by doing mental or physical work for a purpose or out of necessity; I will work hard to improve my grades; she worked hard for better living conditions for the poor
Critical Value in Statistics. In statistics, the critical value corresponds to a given significance level. This cutoff value determines the boundary between the two samples, on the basis of which it is determined, whether null hypothesis should be accepted or rejected.
Surplus Value. Value created by the unpaid labor of wage workers, over and above the value of their labor power, and appropriated without compensation by the capitalist. Surplus value is a specific expression of the capitalist form of exploitation, in which the surplus product takes the form of surplus value. The production and appropriation of surplus value constitute the essence of the fundamental economic law of capitalism.