Economic variables, which included economic model

Model includes the economic variables
  First, internal variables
Economic variables are those which value is determinedfrom within the economic model, such as a national product and the level of employment and it is consideredinternal variables variables take into account theeconomic models and then does not affect the internalvariables on the exogenous variables but are affected by

   Second, exogenous variables
Economic variables are those determined by the value ofKharjaj economic model, such as its political and social conditions, this means that the external variables to the variables in Atakz account