Some economists identify entrepreneurship as a factor of production because it can increase the productive efficiency of a firm. Several definitions of entrepreneurs and entrepreneurship exist.

There are four factors of production - land, labour, capital and enterprise. Land The natural resources used to provide a good or service such as water, a plot of land, fields, fish or coal Labour ...

The A380's cancelation was announced more than five years ago and now no quad-jets or double deckers are in production.