Into To Economics Notes 11/2/02 Stocks & flows and other comparisons

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Stock variable : the amount of any thing existing at a pariicular time.

Flow: is a change in a stock during a particular time.

Note a flow always has a time dimention

Positive vs Normative

Positive statment : refers to some fact. It's about what was is or will be. It can be verified.

Normative statment: an opinon of value jugement. It refers to what out to be. Can not be verified.

Positve economics deals with how the economy functions.

Micro vrs Macro

Micro economics is the study of individul units that make up the economy, sutch as individual house holds, companies, individuals. It is also cnown as price theory

Macro economic is the study of broad economic aggregates sutch as, total employmet, total production, mony suplied, total income.


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