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Q. Construction of the causal model - regression analysis?
The construction of an explanatory model is a crucial step in the regression analysis. It should be defined with reference to the action theory of intervention. It is likely that different kinds of variable exist. In a number of cases, they may be specially created, for instance to take account of the fact that an individual has benefited from support or not (a dummy variable, taking values 0 or 1). A variable can also represent an observable characteristic (having a job or not) or an unobservable one (probability of having a job). The model may suppose that a particular variable develops in a linear, logarithmic, exponential or other way. All the explanatory models are constructed on the foundation of a model, like the following, for linear regression:
Y = β0 + β1X1 + β2X2 + .... + βkXk + ε, where
Y is the change that programme is primarily supposed to produce (for example employment of trainees)
X1-k are independent variables likely to describe the change.
β0-k are constants and
ε is the error term
Phenomena of co-linearity weaken the explanatory power. For instance, when questioning women about unemployment, if they have experienced periods of previous unemployment that are systematically longer than those of men, it won't be possible to separate the influence of the two explanatory factors: gender and duration of previous unemployment.
Environmental issues factors This is governed by the below factors: The type of economic system of the country Business cycles Industrial policy of the countr
Michael was discussing the importance of production analysis and cost analysis to managerial economics with a final year Open Campus student. The final year student, Catherine, sta
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Using Factor Incomes for Calculating National Income A second method is to sum up all the incomes to individuals in the form of wages, rents, interests and profits t
cvp analysis
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briefly explain oppurtunity cost in decision making?
Q. Show the method of production? A process or method of production is a combination of inputs essential for the production of output. A method of production is technically eff
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