Contents
When to use unit root test in panel data?
Unit root tests for panel data. Journal of International Money and Finance 20: 249–272. Hadri, K. 2000. Testing for stationarity in heterogeneous panel data. Econometrics Journal 3: 148–161. Harris, R. D. F., and E. Tzavalis. 1999. Inference for unit roots in dynamic panels where the time dimension is fixed.
Are there any Stata tests for unit root?
Panel-data unit-root tests Stata implements a variety of tests for unit roots or stationarity in panel datasets with xtunitroot . The Levin–Lin–Chu (2002), Harris–Tzavalis (1999), Breitung (2000; Breitung and Das 2005), Im–Pesaran–Shin (2003), and Fisher-type (Choi 2001) tests have as the null hypothesis that all the panels contain a unit root.
Which is the null hypothesis of the unit root test?
The Levin–Lin–Chu (2002), Harris–Tzavalis (1999), Breitung (2000; Breitung and Das 2005), Im–Pesaran–Shin (2003), and Fisher-type (Choi 2001) tests have as the null hypothesis that all the panels contain a unit root. The Hadri (2000) Lagrange multiplier (LM) test has as the null hypothesis that all the panels are (trend) stationary.
Is the Hadri Lagrange test valid for panel root?
It is also valid under certain types of dependence and has been investigated as a panel unit root test by, um, me. The Hadri Lagrange test for unit root is implemented within Stata, but, as you undoubtedly know already, requires strongly balanced data.
Are there any Stata tests for panel data?
Panel-data unit-root tests . Stata implements a variety of tests for unit roots or stationarity in panel datasets with xtunitroot. The Levin–Lin–Chu (2002), Harris–Tzavalis (1999), Breitung (2000; Breitung and Das 2005), Im–Pesaran–Shin (2003), and Fisher-type (Choi 2001) tests have as the null hypothesis that all the panels contain a unit root.
Why are there six panels in the lnrxrate series?
Because we use the United States as the numeraire when computing the lnrxrate series, this subset of data contains six panels. The header of the output summarizes the test. The null hypothesis is that the series contains a unit root, and the alternative is that the series is stationary.