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Economics Aqa A level Paper 1 positive statement - An objective statement that can be tested against facts to be declared either true or false. normative statement - A subjective opinion, or value judgement, that cannot be declared either true or false. Need - something essential for survival such as food or medical care
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positive statement - An objective statement that can be tested against facts to be declared either true or false. normative statement - A subjective opinion, or value judgement, that cannot be declared either true or false. Need - something essential for survival such as food or medical care Want - something that people desire but that is not necessary for human survival. Economic welfare - The economic well-being of an individual, a group within society, or an economy. Production - a process, or set of processes, that converts inputs into output of goods. Capital good - A good which is used in the production of other goods or services. Also known as a producer good. Consumer good - A good which is consumed by individuals or households to satisfy their needs or wants. factors of production - Inputs the productive process such as land, labour, capital and enterprise. Fundamental economic problem - how best to make decisions about the allocation of scarce resources among competing uses so as to improve and maximise human happiness and welfare. Scarcity - results from the fact that people have unlimited wants but resources to meet these wants are limited. In essence, people would like to consume more goods and services than the economy is able to produce with its limited resources.
opportunity cost - the cost of giving up the next best alternative Market - A situation where buyers and sellers come together to engage in trade. Equilibrium price - the price at which planned demand for a good or service exactly equals planned supply. Effective demand - The desire for a good or service backed by an ability to pay market demand - The quantity of a good or service that all the consumers in a market are willing and able to buy at different market prices. Conditions of demand - a determinant of demand, other than the good's own price, that fixes the position of the demand curve increase in demand - a rightward shift of the demand curve decrease in demand - a leftward shift of the demand curve Normal good - a good for which the demand increases as income rises and decreases as income falls Inferior good - A good for which demand decreases as income rises and demand increases as income falls. For example as income rises demand for bud travel falls as more people can afford cars. Elasticity - The proportionate responsiveness of a second variable to an initial change in the first variable. price elasticity of demand - The responsiveness of the quantity demanded of a good to a change in price. Percentage change formula - change/original x 100
market equilibrium - A market is in equilibrium when planned demand equals planned supply and the demand curve crosses the supply curve. (No excess supply or demand in this situation) Market disequilibrium - Exists at any price other than the equilibrium price. When the market is in disequilibrium there is either excess demand or excess supply. Excess supply - when firms wish to sell more than consumers wish to buy, with the price above the equilibrium price excess demand - When consumers wish to buy more than firms wish to sell, with the price below the equilibrium price. Joint supply - when one good is produced, another good is also produced from the same raw materials Competing supply - when raw materials are used to produce one good they cannot be used to produce another good Complementary good - A good in joint demand, or a good which is demanded at the same time as another substitute good - A good in competitions demand, namely a good which can be used in place of the other good. Composite demand - Demand for a good which has more than one use. E.g Demand for wheat which can be used in biofuel and food. Derived demand - Demand for a good which is an input into the production of another good. E.g machinery to help produce consumer goods. Production - Converts inputs or factor services into outputs of goods and services
short run production - occurs when a firm adds variable factors of production to fixed factors of production long run production - Occurs when a firm changes the scale of all the factors of production variable costs - Cost of production which changes the amount that is produced, even in the short run. Fixed cost - Cost of production, which in the short run, doesn't change with output. Productivity - output per unit of input Production - a process, or set of processes, that converts inputs into output of goods Labour productivity - output per worker Capital productivity - Output per unit of capital Productivity gap - the difference between labour productivity in the UK and in other developed economies Short run - the time period in which at least one input of production is fixed but other inputs can be changed Long run - The time period in which no factors of production are fixed and in which all the factors of production can be varied total cost - The whole cost of producing a particular level of output Average cost - total cost of production divided by output
consumer sovereignty - Through exercising their spending power, consumers collectively determine what is produced in a market. Consumer sovereignty is strongest in a perfectly competitive market producer sovereignty - producers or firms in a market determine what is produced and what prices are charged Pure Monopoly - One firm dominates the market with more than 25% market share. barriers to entry - business practices or conditions that make it difficult for new firms to enter the market Invention - creates new ideas for products or processes innovation - Converts the results of invention into a marketable products or services