Short answers, pulled from the story.
Land, labor, capital, and entrepreneurship form the four fundamental factors of production. These inputs remain distinct elements used to generate output rather than becoming a whole component inside the final product.
A producer calculates efficiency by dividing actual output by maximum potential output. If applied inputs can produce 100 units but only yield 60 units, the result is 0.6 or 60 percent.
The concept real process entered Finnish management accounting during the 1960s. It remains a cornerstone in that specific theoretical framework today.
The law of diminishing marginal returns states that adding variable units to fixed land and capital causes total output to rise then fall. This principle applies when time required for all factors to become flexible varies significantly across different industries.
Jorgenson et al. show that most US economic growth since 1947 involves replicating existing technologies via equipment investment. Innovation accounts for only about twenty percent of US economic growth according to empirical examples.