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Consumer Surplus
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The amount a buyer is willing to pay for a good minus the amounthe buyer actually pays for it (Ex. Willing to pay $500 but only pays $400 so has $100 Surplus)
*The area below the demand curve and above the price.
A lower price increase consumer surplus
*The area below the demand curve and above the price.
A lower price increase consumer surplus
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Who receives consumer surplus?
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The buyer
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Producer Surplus
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The amount a seller is paid for a good minus the sellers cost of providing it.
*The area below the price & above the supply curve measures the producers surplus
Increase in Price will increase producer surplus
*The area below the price & above the supply curve measures the producers surplus
Increase in Price will increase producer surplus
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Who receives producer surplus?
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The seller
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Formula for Total Surplus
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Total Surplus = Value to buyers - Cost to Seller
Or
Consumer surplus + Producer surplus
Or
Consumer surplus + Producer surplus
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In what ways might government or policy makers make use of surplus measures?
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Use policy to increase total surplus
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Microeconomics
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The study of how households and firms make decisions and how they interact in markets
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Macroeconomics
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The study of economy-wide phenomena, including inflation, unemployment, and economic growth.
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Why must income equal expenditure in an economy as a whole?
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Because every transaction has a buyer and seller.
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Gross Domestic Product (GDP)
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The market value of all final goods and services produced within a country in a given period of time. It is the sum of Expenditures + Income (wages, rent, interest, profit)
They measure the Flow of Money and the economic well being of a country.(Higher is better)
Consumption + Investment + Government + Net Exports
They measure the Flow of Money and the economic well being of a country.(Higher is better)
Consumption + Investment + Government + Net Exports
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Consumption
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Spending by household on goods (automobile, appliances, food and clothes) and services (intangible items-haircuts and medical care) with the exception of new housing.
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Investment
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Spending on capital inventories and structures, including household purchases of new housing. (It is the sum of purchases of capital equipment inventory and structures)
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Government Purchases
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Spending on goods and services by local, state and federal governments (Ex. Government workers salary and expenditures on public works)
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Net Exports
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Exports - Imports
-Spending on domestically produced goods by foreigners (exports) minus spend on foreign goods by domestic residents (imports)
-Spending on domestically produced goods by foreigners (exports) minus spend on foreign goods by domestic residents (imports)
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Why are transfer payments such as social security not counted in government expenditures?
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These transfers are called Transfer Payments because they are not made in exchange for a currently produced good or service. They alter household income but do not reflect on the economy productions.
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Nominal GDP
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Uses current prices to place a value on the economy's production of goods and services
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Real GDP
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Uses constant base-year prices to place a value on the economy's production of goods and services
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Why do we measure GDP in Real terms?
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because real GDP is not affected by changes in prices, changes in real GDP reflect only changes in the amount being produced. Thus real GDP is a measure of the economy's productions of goods and services.
When there is no inflation, the 2 interest rates are the same.
When there is no inflation, the 2 interest rates are the same.
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Total Surplus
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The sum of Consumer Surplus & Producer Surplus
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GPD Excludes Non product Transactions
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1-Financial Transactions-
A- Public transfer payments (Medicaid, Medicare, Welfare & Food Stamps)
B-Private Transfer Payments (gift cards, gift cash and Christmas gifts)
2-Stock & Bonds market transaction- selling & purchasing(paper asset transfer, doesn't creat any new product)
3-Second-Hand Sales- buying or selling used things is a transfer in ownership and is counted the 1st time, not counting multiple times.
A- Public transfer payments (Medicaid, Medicare, Welfare & Food Stamps)
B-Private Transfer Payments (gift cards, gift cash and Christmas gifts)
2-Stock & Bonds market transaction- selling & purchasing(paper asset transfer, doesn't creat any new product)
3-Second-Hand Sales- buying or selling used things is a transfer in ownership and is counted the 1st time, not counting multiple times.