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.
Definition and Types of Aggregates. It is worth noting that in sociology the word aggregate is also sometimes used to refer to a collection of individuals who have no connection to one another, but who are in the same place at the same time. However, generally speaking, when you see the word 'aggregates,' it is referring to aggregate data. Data points that represent a group average, instead of information from an individual, are called aggregates. Aggregates are produced by combining information from multiple sources.