At its simplest, biotechnology is technology based on biology - biotechnology harnesses cellular and biomolecular processes to develop technologies and products that help improve our lives and the health of our planet.
In macroeconomics, the focus is on the demand and supply of all goods and services produced by an economy. Accordingly, the demand for all individual goods and services is also combined and referred to as aggregate demand.
economics definition. The science that deals with the production, distribution, and consumption of commodities. Note: Economics is generally understood to concern behavior that, given the scarcity of means, arises to achieve certain ends. When scarcity ceases, conventional economic theory may no longer be applicable. (See affluent society.)