Page 548 - 2016 - Vol. 40

4-RESEARCH METHODOLOGY AND EMPIRICAL
RESULTS:
4.1 RESEARCH METHODOLOGY:

This chapter specified the research methodology that
will be used in the analysis of the findings and the
empirical results. Firstly, it provide the empirical model
employed in this study that is a linear regression model
which describes the determinants of economic performance
in Sudan taken in logarithm as given by the following
equation, where exchange rate defined as unit of foreign
currency against units of domestic currency.

!"#$%&' = !1!"#$% + !21!"#$ + !3!"#$%&
+ !" (1)

!1. !2 !"# !3 > 0
Where:
RGDP: Gross Domestic Product
RG: Real Government Expenditure
REX: Exchange Rate
RX : Real Exports

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