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OPEC
a group of producers working together to raise prices and profits
The Gosplan was a group of people during the reign of Stalin who set wages and prices to improve the economy.
A monopoly, hence anti-trust and competition legislations
Price discrimination occurs when producers charges different prices to different people for reasons not related to cost. There are generally 3 types.1st degree price discrimination - when you charge different prices to different individuals, depending on their willingness and ability to pay. This attempts to capture all the consumer surpluses. e.g. auction.2nd degree price discrimination - where prices differs when individuals purchase good in different quantities. e.g. the increment in parking charges for the 2nd hour will be lower than the first.3rd degree price discrimination - where prices are charged differently to different group of consumers, depending on the elasticity of demand. Generally the group that has an inelastic demand curve will face higher prices. e.g. bus fares for elderly vs children vs adults.
Another atom in group 4 like tin or silicon.
Observing an experiment
A study that compares the results of a control group with those of an experimental group is usually referred to as a controlled experiment. This design helps researchers assess the impact of a variable of interest by holding other factors constant.
Range
sample
He was selected by a group of wise people who are chosen by people in elections.
controlled expierment
4
A sample group
controlled experiment
range
range