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An infimum coefficient unit root test allowing for an unknown break in trend
Harvey, David I.; Leybourne, Stephen James - In: Economics letters 117 (2012) 1, pp. 298-302
Persistent link: https://www.econbiz.de/10009697750
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Asymptotic behaviour of tests for a unit root against an explosive alternative
Harvey, David I.; Leybourne, Stephen James - In: Economics letters 122 (2014) 1, pp. 64-68
Persistent link: https://www.econbiz.de/10010393959
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Improving the length of confidence sets for the date of a break in level and trend when the order of integration is unknown
Harvey, David I.; Leybourne, Stephen James - In: Economics letters 145 (2016), pp. 239-245
Persistent link: https://www.econbiz.de/10011618823