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Non-crossing convex quantile regression
Dai, Sheng; Kuosmanen, Timo; Zhou, Xun - In: Economics letters 233 (2023), pp. 1-5
Persistent link: https://www.econbiz.de/10014505963
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Another look at the income elasticity of non-print source air pollutants : a semiparametric approach
Roy, Nilanjana; Van Kooten, Gerrit C. - In: Economics letters 85 (2004) 1, pp. 17-22
Persistent link: https://www.econbiz.de/10002215362