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Difference-in-differences via common correlated effects
Brown, Nicholas; Butts, Kyle; Westerlund, Joakim - 2023
We study the effect of treatment on an outcome when parallel trends hold conditional on an interactive fixed effects structure. In contrast to the majority of the literature, we propose identification using time-varying covariates. We assume the untreated outcomes and covariates follow a common...
Persistent link: https://www.econbiz.de/10013556879
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New simple tests for panel cointegration
Westerlund, Joakim (contributor) - 2005 - [Elektronische Ressource]
Persistent link: https://www.econbiz.de/10002552459
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New simple tests for panel cointegration
Westerlund, Joakim - In: Econometric reviews 24 (2005) 3, pp. 297-316
Persistent link: https://www.econbiz.de/10003105617
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Simple unit root testing in generally trending data with an application to precious metal prices in Asia
Westerlund, Joakim - In: Journal of Asian economics 28 (2013), pp. 12-27
Persistent link: https://www.econbiz.de/10010400872
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Testing for a unit root in panel time series models with multiple breaks
Westerlund, Joakim - 2009
Persistent link: https://www.econbiz.de/10003884487
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Estimating cointegrated panels with common factors and the forwrd rate unbiasedness hypothesis
Westerlund, Joakim - In: Journal of financial econometrics : official journal of … 5 (2007) 3, pp. 491-522
Persistent link: https://www.econbiz.de/10003518507
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Rethinking the univariate approach to panel unit root testing : using covariates to resolve the incidental trend problem
Westerlund, Joakim - In: Journal of business & economic statistics : JBES ; a … 33 (2015) 3, pp. 430-443
Persistent link: https://www.econbiz.de/10011391381
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On the importance of the first observation in GLS detrending in unit root testing
Westerlund, Joakim - In: Oxford bulletin of economics and statistics 77 (2015) 1, pp. 152-161
Persistent link: https://www.econbiz.de/10011373616
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On the use of GLS demeaning in panel unit root testing
Westerlund, Joakim - In: Journal of business & economic statistics : JBES ; a … 36 (2018) 2, pp. 309-320
Persistent link: https://www.econbiz.de/10011895009
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The power of PANIC
Westerlund, Joakim - In: Journal of econometrics 185 (2015) 2, pp. 495-509
Persistent link: https://www.econbiz.de/10011348960