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Diminishing Physical Returns
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Marginal outputs decrease with each additional unit of input
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marginal input cost
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Additional cost of adding one more unit of some input.
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profit
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total revenue minus total cost
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Marginal Revenue Product
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the change in total revenue associated with one additional unit of input
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Variable substitution
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- One resource substitutes for part of another at different rates for each additional unit of input
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Advantages of using substitution
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-decrease in input
-increase in output
-save money
-increase in output
-save money
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rate of return on investment
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Net Revenue / Investment
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rate of return on investment
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best way to measure opportunity cost when resources are limited
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demand curve
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a curve that shows the relationship between the price of a product and the quantity of the product demanded
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Demand Curve Shifters
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number of buyers, income, prices of related goods, tastes, expectations
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supply curve
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a graph of the relationship between the price of a good and the quantity supplied
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supply curve shifters
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input prices, technology, number of sellers, expectations
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Elasticity
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a measure of the responsiveness of quantity demanded or quantity supplied to a change in one of its determinants
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Inelastic
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Describes demand that is not very sensitive to a change in price
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price for agricultural commodity is determined by:
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Quantity produced and consumed
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If the supply and demand curves for a product both decrease, then equilibrium:
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Shifts to the left for an decrease in price
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If the supply and demand curves for a product both increase, then equilibrium:
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Shifts to the right for an increase in price
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Utility
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the capacity to be useful and provide satisfaction
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market
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a group of buyers and sellers of a good or service and the institution or arrangement by which they come together to trade
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supply
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The amount of goods available
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demand
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Consumer willingness and ability to buy products
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equilibrium price
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the price at which the quantity demanded equals the quantity supplied
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surplus
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A situation in which quantity supplied is greater than quantity demanded
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shortage
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A situation in which quantity demanded is greater than quantity supplied
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point of maximum return
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MIC=MRP
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fixed costs
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Costs that do not vary with the quantity of output produced
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variable costs
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costs that vary with the quantity of output produced
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Total Costs (TC)
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The sum of total fixed and total variable costs at each level of output
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DIRTI Five
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Depreciation
Interest
Repairs
Taxes
Insurance
Interest
Repairs
Taxes
Insurance
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Variable costs in agriculture
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-Labor
-Supplies
-Advertising
-Gasoline
-Utilities
-Supplies
-Advertising
-Gasoline
-Utilities
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opportunity cost
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the most desirable alternative given up as the result of a decision
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limited resources
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the condition of there not being enough resources to fulfill all wants and needs
-Land
-Labor
-Capital
-Land
-Labor
-Capital
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Six functions of time value of money
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Future Value of a Dollar
Future Value of a Dollar per Period
Sinking Funds
Present Value of a Dollar
Present Value of a Dollar per Period
Amortization
Future Value of a Dollar per Period
Sinking Funds
Present Value of a Dollar
Present Value of a Dollar per Period
Amortization
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Amortization
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the reduction of a loan balance through payments made over a period of time
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future value of a dollar
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amount to which a single payment will grow at some rate of interest
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Present Value of a Dollar
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current value of a dollar to be received in the future
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sinking fund
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Saving money over time for a large purchase
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necessity
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anything that cannot be done without or that is greatly needed
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luxury
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A comfort or enjoyment that is not necessary or essential