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The Scope and Method of Economics
N/A
32
Economics
Undergraduate 1
09/12/2011

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Term
Economics
Definition
The study of how individuals and societies choose to use the scarce resources that nature and previous generations have provided.
Term
What are the four main reasons to study economics?
Definition
To learn a way of thinking, to understand society, to understand global affairs, and to be an informed citizen.
Term
Opportunity Cost
Definition
The best alternative that we forgo, or give up, when we make a choice or decision.
Term
Scarce
Definition
Limited.
Term
Marginalism
Definition
The process of analyzing the additional or incremental costs or benefits arising from a choice or decision.
Term
Sunk Costs
Definition
Costs that cannot be avoided because they have already incurred.
Term
Profit Opportunities
Definition
"Good deals" or risk-free ventures.
Term
Efficient Markets
Definition
Where any profit opportunities are eliminated almost instantaneously.
Term
Industrial Revolution
Definition
The period in England during the late eighteenth and early nineteenth centuries in which new manufacturing technologies and imporved transportation gave rise to the modern factor system and a massive movement of the population from the countryside to the cities.
Term
What are the two major divisions of economics?
Definition
Microeconomics and Macroeconomics
Term
Microeconomics
Definition
Deals with the functioning of individual industries and the behavior of individual economic decision-making units:firms and households
Term
Macroeconomics
Definition
looks at the economy as a whole
Term
Microeconomics is concerned with
Definition
Household income.
Term
Macroeconomics is concerned with
Definition
National income.
Term
Positive Economics
Definition
Attempts to understand behavior and the operation of economic systems without making judgements about whether the outcomes are good or bad.
Term
Normative economics
Definition
looks at the outcomes of economic behavior and asks whether they are good or bad and whether they can be made better.
Term
Normative economics can also be called
Definition
policy economics.
Term
Descriptive Economics
Definition
the compilation of data that describe phenomena and facts.
Term
Economic Theory
Definition
statement or set of statements about cause and effect, action and reaction.
Term
Law of Demand
Definition
When the price of a product rises, people tend to buy less of it, when the price of a product falls, people tend to buy more.
Term
Model
Definition
A formal statement of a theory, usually a mathematical statement of a presumed relationship between two or more variables.
Term
Variable
Definition
a measure that can change from time to time or from observation to observation.
Term
Ockham's Razor
Definition
the principle that irrelevant detail should be cut away.
Term
Ceteris Paribus, All else equal
Definition
A device used to analyze the relationship between two variables while the values of other variables are held unchanged.
Term
Post hoc, ergo propter hoc
Definition
Literally, "after this (in time) therefore because of this" A common error made in thinking about causation: If Event A happens before Event B, it is not necessarily true that A caused B.
Term
Fallacy of Composition
Definition
The erroneous belief that what is true for a part is necessarily true for a whole.
Term
Empirical Economics
Definition
The collection and use of data to test economic theories
Term
What are the four criteria applied in judging economic outcomes?
Definition
Efficiency, Equity, Growth, Stability
Term
Efficiency (allocative efficiency)
Definition
An efficient economy is one that produces what people want at the least possible cost.
Term
Equity
Definition
Fairness.
Lies in the eyes of the beholder.
Term
Economic growth
Definition
Increase in the total output of an economy.
Term
Stability
Definition
The condition in which national output is growing steadily, with low inflation and full employment of resources.
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