The inner core of capitalist society consists of commodity production. Commodity production may be characterized as a general social process in which capitalist firms take materials and equipment, combine these with labor, and then sell the output for a profit. Survival in a capitalist economy demands a constant renewal of investment aimed at reaching larger and larger markets. This involves market rationality. Market rationality vs social rationality.
Emphasis is placed on the realization of exchange value.
In other words, if you snooze you loose. Competition involves winning and losing. Winners tend to grow and losers disappear. Productivity levels are themselves dependent on the relationship between labor and matter as a function of the use of means of production by the application of energy and knowledge. Increases in surplus result from quantitative increases in labor and means of production, including land.