income, population tastes and preferences, future price expectations, prices of substitute goods
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income
increase in buyers income allows consumers to purchase more
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population
increased population increases demand
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tastes and preferences
individual tastes and preferences influences demand
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future price expectations
eg. price increase in future, demand increases now
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price of substitute goods
substitute good B price increases, demand for A increases
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complementary goods
2 goods that are bought and used together, influences demand of each other
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increased supply
shifts supply curve right
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decreased supply
shifts supply curve left
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non price factors affecting supply
cost, number of sellers, technology, nature and environment, prices of related outputs
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cost
changes in production costs affects quantities that suppliers are willing to supply, directly affecting profits
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number of sellers
less sellers decreases market supplies if remaining sellers do not increase production
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technology
decreases production costs, increases supply
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nature and environment
environmental factors affect supply
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prices of related outputs
if product A is more profitable than product B, decreased supply of B, increased supply of A
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perfectly competitive market
1. many sellers, none of which can dominate the market. 2. many buyers, no single one that can dictate price. 3. consistent quality, no price change based on quality. 4. all buyers and sellers know conditions in the market.
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increase in demand
initially price stays same. causes shortage
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increase in supply
initially price stays the same. causes surplus
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decrease in demand
initially price stays the same. causes surplus
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decrease in supply
initially price stays same. causes shortage
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shortages
price increases until equilibrium is met
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surpluses
price decreases until equilibrium is met
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Adam Smith
self interest, invisible hand
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self interest
when people act in their own self interest it manifests societal benefits at large
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invisible hand
metaphor for individual pressures on market. natural fluctuation on price and flow of trade to find equilibrium
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thomas robert malthus
population and food production
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population and food production
humans well eventually be unable to produce enough food to sustain themselves. population-geometrically, food production-arithmetically
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david ricardo
comparative advantage and free trade
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comparative advantage
an economy's ability to produce a particular good or service at a lower opportunity cost than its trading partners
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free trade
each country naturally devotes its capital and labour to such employments as are most beneficial to each
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Karl Marx
communism and criticism of capitalism
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communism
society has no class divisions or personal property
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criticism of capitalism
believed that capitalism would fall due to revolutions from the lower classes
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john maynard keynes
importance of government spending to stimulate economy
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importance of government spending to stimulate economy
stimulate demand for common goods and bring more people back to the workforce
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milton friedman
laissez-faire capitalism and the importance of the money supply
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laissez-faire capitalism
minimum governmental interference in the economic affairs of individuals in society
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money supply importance
government should keep money supply stable, expanding slightly each year to allow for natural economic growth