lOMoARcPSD|51776212
ECS4863 EXAM
2025 UPDATED QUESTIONS AND
ANSWERS.RECENT WITH MANY MORE
QUESTIONS TO STUDY ,WELL EXPLAINED
ANSWERS. WITH THE CURRENT EXAM
TOPICS ,SUMMARIES AND NOTES.
Excellence Through Knowledge
A+ CONCEPTS
, lOMoARcPSD|51776212
SUGGESTED SOLUTIONS TO ACTIVITY 1.1
(1.5) Activity 1.1: Tests for stationarity, unit roots and order of integration
The data is available on myUnisa/additional resources/Activity data: Activity 1.1 data
Variable Description Calculation (if any) Data source
name
RCONSt Total final consumption SARB
expenditure by households
at constant 2000 prices in R Series 6007Y
millions
NHYDt Disposable income of SARB
households at current
prices in R millions Series 6246Y
CPIt Total consumer prices. Price SARB
index 2000 = 100
Series 7032Y
RHYDt Disposable income of RHYDt = NHYDt/CPIt x 100
households at constant
2000 prices in R millions
NM3t M3 Money Supply at SARB
current prices in R millions
Series 1374Y
RM3t M3 Money Supply at RM3t = NM3t/CPIt x 100
constant prices in R millions
INFt Inflation rate INFt = (CPIt/CPI(t-1) -1) x
100
1. Generate the following series: RHYDt, RM3t and INFt
EViews steps:
Open the data. Double-click the file “Activity 1.1 data.wf1” and it will open
automatically in EViews (given that the computer you are working on has EViews
installed/registered on it). The .wf1 indicates that it is an EViews work file.
ECS4863 EXAM
2025 UPDATED QUESTIONS AND
ANSWERS.RECENT WITH MANY MORE
QUESTIONS TO STUDY ,WELL EXPLAINED
ANSWERS. WITH THE CURRENT EXAM
TOPICS ,SUMMARIES AND NOTES.
Excellence Through Knowledge
A+ CONCEPTS
, lOMoARcPSD|51776212
SUGGESTED SOLUTIONS TO ACTIVITY 1.1
(1.5) Activity 1.1: Tests for stationarity, unit roots and order of integration
The data is available on myUnisa/additional resources/Activity data: Activity 1.1 data
Variable Description Calculation (if any) Data source
name
RCONSt Total final consumption SARB
expenditure by households
at constant 2000 prices in R Series 6007Y
millions
NHYDt Disposable income of SARB
households at current
prices in R millions Series 6246Y
CPIt Total consumer prices. Price SARB
index 2000 = 100
Series 7032Y
RHYDt Disposable income of RHYDt = NHYDt/CPIt x 100
households at constant
2000 prices in R millions
NM3t M3 Money Supply at SARB
current prices in R millions
Series 1374Y
RM3t M3 Money Supply at RM3t = NM3t/CPIt x 100
constant prices in R millions
INFt Inflation rate INFt = (CPIt/CPI(t-1) -1) x
100
1. Generate the following series: RHYDt, RM3t and INFt
EViews steps:
Open the data. Double-click the file “Activity 1.1 data.wf1” and it will open
automatically in EViews (given that the computer you are working on has EViews
installed/registered on it). The .wf1 indicates that it is an EViews work file.
