Some definitions of economics

 Economics:
    The science of scarcity; the science of individual and societies deal with the fact that wants are greater than the limited resource available to satisfy those wants.

Micro Economic:
         The branch of economcs that deals with human behavior and choices as they relate
to relatively small units such as an individuals,a firm,an industry,a single market.
Macro Economics:
   The branch of economics, that deals with human behavior and choice as they relate to relatively highly aggregate market or the entire economy.
 Positive economics:
          The study of “what is” in economic matters.

  Normatative economics:
           The study of “what should be” in economic matters.

 Scarcity:
      The condition in which our wants are greater than the limited resources available to
 satisfied those wants.

 Choice:
       Choice is a situation where our wants outstrip another wants.

 Opportunity cost:
        The most highly valued opportunity or alternative forfited when a choice in made.

 Utility:
        The satisfaction one receivers from a good.

 Disutility:
        The satisfaction one receivers from a bad.

 Good:
        Anything from which individual receiver utility or satisfaction.

 Bad:
      Anything from which individual receiver disutility or dissatisfaction.

 Marginal benifit:
          The benifits connected to consumar an aditional unit of a good.

 Marginal cost:
          The cost connected to consuming an additional unit of a good.

 Efficiency:
          Marginal cost = Marginal benifit
 Land:
     All natural resource such as minerals forests water and un improved land

 Labour:
      The physical and mental telents people contribute to the production process

 Capital:
       Produced goods that can be used as inputs for further production such as factories
 Machinery tools computers and buldings

 Enterpreneurship:
       The particuler talent that some people have for organizing the resources of land
 labour and capital to produce goods seek new business opportunities and develop
 new ways of doing thing...