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.
aggregate income. 1. Total of all incomes in an economy, without taking inflation and taxes into account. 2. Combined income of a husband and wife who file joint tax returns.