When the data become stationary at their levels, what are tests we can perform on a time series? pls specify
thanks for replying. I want to check the relationship between stock returns and 5 macroeconomic variables. all data were found stationary (except 1 independent variable) were found stationary at their level. How do i check the long run and short run relationship of the data? what are the tests i should take up? can i do variance decomposition and impulse response?
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