Economics Vocabulary Words

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Supply
Refers to the quantity of a good or service that firms are willing and able to provide.
Demand
The quantity of a good or service that consumers are willing and able to buy.
Price Elasticity of Demand
The responsiveness of the quantity demanded to a change in price, measured by dividing the percentage change in the quantity demanded of a product by the percentage change in the product’s price.
Income Elasticity of Demand
measures the responsiveness of the quantity demanded of a good to the change in the income of the people demanding the good. Formula: (%change in quantity demanded) / (%change in income) = Income elasticity.
Cross Elasticity of Demand
the ratio of the percentage change in quantity demanded of one good to the percentage change in the price of some other good. A positive coefficient indicates the two products are substitute goods; a negative coefficient indicates they are complementary goods.
Price Elasticity of Supply
A measure of how much the quantity supplied of a good responds to a change in the price of that good, computed as the percentage change in quantity supplied divided by the percentage change in price.
Short Run
A period during which at least one of a firm’s resources is fixed.
Long Run
A period during which all factors of production are variable.
Profit
Total revenue minus total cost.
Revenue-Total, Average,Marginal
Total revenue is entire amount of income before any deductions are made. Average revenue is the total revenue per unit of output. Marginal revenue is the extra revenue to be earned from the production of the next product.
Law of Diminishing Returns
As extra units of a variable factor are added to the given quantity of a fix factor, the output from each additional unit of the variable factor will eventually distinguish.
Returns to Scale- Increasing, Decreasing, Constant
The rate at which output increases in response to proportional increases in all inputs. Increasing returns to scale is when the price of production for each product decreases as production increases. Decreasing returns to scale is when the price of production for each product increases as production increases. Constant returns to scale is when the price of production does not change as production increases (all in long run).
Economies of Scale
Reduction of long-run average costs resulting from an expansion in the scale of a firm’s operations so that more of all inputs is being used.
Perfect Competition
A market structure that is characterized by a large number of small firms, a homogeneous product,freedom of entry and exit,and equal access to information
Profit Maximization
A method of setting prices that occurs when marginal revenue equals marginal cost.
Normal Profit
The opportunity cost of the resources supplied by the firm’s owners; normal profit= accounting profit – economic profit
Supernormal Profit
Where total revenue exceeds total economic costs
Allocative Efficiency
When the last unit produced costs the same as the benefit recieved by consumers
Merit Good
Good that is under-supplied with positive externalities.
Demerit Good
Good that is over-supplied with negative externalities.
Normal Good
Good that consumers demand more of when their incomes increases.
Public Good
Good that is both nonrivalrous and non-excludable, and not provided by the market.
Externalities of Consumption
Consequences (positive/negative) upon consuming a good or service.
Externalities of Production
Consequences (positive/negative) upon producing a good or service.
Parallel Market
Black market that is considered illegal.
Scarcity
Under supply of some good or service/The quantity demanded for that good at a certain price is more than the quantity supplied at that price.
Choice
The ability of consumers to decide between two or more products.
Opportunity Cost
Cost of an economic decision in terms of the next best alternative foregone.
Factors of Production
The four types of resources used in the production process: land, labor, capital and entrepreneurship.
Land
One of the four factors of production that includes natural resources and the surface over which the good or service is produced.
Capital
One of the four factors of production which includes the machinery and technology used to produce a good or service.
Entrepreneurship
The factor of production involving organizing of the other factors and/or risk taking.
Market
The interaction between buyers and sellers in order to exchange goods or services or buyers and sellers coming together in order to exchange a good or service.
Consumer Demand
The quantity demanded by the buyers at a price.
Market Demand
The quantity of a good or service demanded by the market at a certain price.
Law of Demand
As prices increase, the quantity demanded decreases, while if the price decreases, the quantity demanded for the product increases.
Demand Curve
A line/curve on a graph that depicts the changes in quantity demanded due to price changes for every point on the graph.
Determinants of Demand
Factors that affect the demand curve by shifting it right or left.
Producer Supply
The total amount a seller produces of a good or service.
Market Supply
The overall production of a good.
Determinants of Supply
Factors that affect the supply curve by shifting it right or left.
Equilibrium
The market-clearing price, set where Demand equals Supply.
Price Mechanism
The system in a market economy by which any changes in supply or demand have an effect on changing the price of a good or service.
Surplus
Over supply of some good or service/The quantity demanded for that good at a certain price is less than the quantity supplied at that price.
Price Elastic
A good or service that reacts by a PED of greater than 1 when the price is changed.
Price Inelastic
A good or service that reacts by a PED of less than 1 when the price is changed.
Unit Elastic
A good or service that reacts by a PED equal to 1 when the price is changed.
Perfectly Elastic
Zero change of the quantity demanded
Perfectly Inelastic
Decrease of quantity supplied to 0 after any increase in price. On the graph, this is horizontal demand line.
Substitutes
A similar type of good that can replace another good. When demand for one good goes up (demand curve shifts right), the demand for the substitute decreases (demand curve shifts left).
Complements
A good that often accompanies another good. When the demand of a certain good decreases and the demand of another good also decreases, the second good is a complement of the first good.
Inferior Goods
A type of good for which the demand declines as the income increases.
Specific Tax
A certain amount of tax that is added upon a product by the government.
ad valorem Tax
A certain percent of the product that is added as the tax by the government.
Excise Tax
A tax that is measured by the amount of labor done, not by property.
Tax Incidence
An analysis of a particular type of tax on the distribution of economic welfare.
Subsidies
An amount of money provided by the government to firm to increase production for that specific good or service.
Price Ceiling
A maximum price limit for a certain good imposed by the government to protect consumers from condition that would make necessary goods unattainable.
Price Floor
A minimum price limit for a certain good imposed by the government to prevent prices from dropping too much.
Consumer Surplus
The amount of consumer benefit by being able to purchase a product for less than what a consumer was willing to pay.
Producer Surplus
The amount of producer benefit by being able to sell a product for more than what a producer was willing to.
Community Surplus
Total of consumer and producer surplus.
Marginal Private Benefit
Benefit in not only monetary terms for a firm by producing the next product.
Marginal Social Benefit
Benefit in not only monetary terms for a community by producing the next product.
Marginal Private Cost
The monetary and opportunity cost of producing the next product for a firm.
Marginal Social Cost
The monetary and opportunity cost of producing the next product for a community.
Tradeable Permits
A government licence that allows for a firm to produce a certain amount of pollution. Can be traded and/or bought from other firms.
Welfare Loss/Deadweight Loss
The loss of community surplus (producer plus consumer surplus) in an imperfect market.
Free Rider Problem
A tendency for consumers to not buy a public good in hope of attaining benefits of a public good for free by the consumption of this public good by other consumers. In this way, nobody buys the public good.
Common Access Resources
A resource that provides users with tangible benefits, while a major concern being overuse of these common access resources.
Sustainability
The ability of a firm to remain in the market over a duration of time.
Asymmetric Information
Information that has not been provided correctly, or is provided partially as a strategic move.
Product – Total, Average, Marginal
Total product is the total amount of goods or service produced by a firm. Average product is product that is divided by total input (workers in most cases). Marginal product is the next product to be produced.
Economic Costs
The addition of monetary and opportunity costs.
Fixed Costs
Costs for a firm that don’t change in the short run. These costs include rent for land and interest for capital.
Variable Costs
Costs for a firm that change in the short run and long run. These include the wages for labor.
Costs – Total, Average, Marginal
Total cost is the addition of variable and fixed costs. Average cost is the total cost per product. The marginal cost is the cost of the next product to be produced.
Disceconomies of Scale
Firms that produce output at a greater cost than they previously were in long term.
Revenue Maximization
Using the graphs to find the intersection of average cost curve and marginal cost curve, which would provide the point of maximum revenue.
Growth Maximization
The point at which the firm is producing for the greatest profits in a short run situation.
Satisficing
A decision making strategy that aims for satisfying or mediocre results rather than optimal results.
Labor
One of the four factors of production. The work force of a firm or community that creates the goods or services using the other factors.
Macroeconomics
Part of economics that is concerned with large-scale or general economics factors related to countries.
Circular Flow of Income
Economic theory that all money stays inside a closed system, i.e. the firms and houses of a community/nation excluding injections and leakages.
Leakages
The amount of money that exits the 4 sector circular flow due to things like imports, etc.
Injections
The amount of money that enters the 4 sector circular flow due to things like exports, etc.
Gross Domestic Product
The total value of all goods and services produced in a nation over the period of one year.
Gross National Product/Income
The total value of all goods and services produced by the nation’s citizens in a nation and the total of all goods and services produced outside the nation by citizens of that nation over the period of one year.
Real GDP
Value of goods and services produced in macroeconomics adjusting to price changes over one year.
Nominal GDP
Value of goods and services produced in macroeconomics not adjusting to price changes over one year.
Green GDP
Index of economic growth with negative environmental consequences factored in over one year.
Methods of Measuring National Income: Output Method, Expenditure Method, Income Method
Output Method: Method through which the GDP is determined by adding costs of consumption and subtracting it by immediate consumption. Expenditure method:GDP = C + G + I + NX Income method: Indirect taxes minus subsidies and depreciation is added to GDP.
Inflator/Deflator
Method of converting Nominal GDP of one year to Real GDP comparative to another year.
Business Cycle: Expansion, Contraction, Recovery
All business first start expanding. Due to laws of nature, they are bound to contract at one time in their life. If they do survive the contraction, the businesses will recover to start expanding again.
Categories: Vocabulary