... effective environmental policies. Therefore, this paper proposes a robust grey prediction model. Design/methodology/approach A novel q-GM (1,1) modeling approach provides prediction of greenhouse gas emissions in Türkiye using the 1990–2022 data set. First, we partition this data set for training (1990...

...), AHP (analytic hierarchy process) and GM (1,1) is proposed from the perspective of information technology (IT) audit risk control. Design/methodology/approach The paper begins by structuring the AHP hierarchy to the reliability assessment of online auditing used in China. Then, RC is used to rank...

...Tianxiang Yao; Zihan Wang Purpose According to the problem of crude oil price forecasting, the purpose of this paper is to propose a multi-step prediction method based on the empirical mode decomposition, long short-term memory network and GM (1,1) model. Design/methodology/approach First...

.... R.M. Kapila Tharanga Rathnayaka can be contacted at: 2609814759@qq.com © Emerald Group Publishing Limited 2016 Portfolio selection ARIMA GM (1,1) GM(2,1) NGBM Forecasting and portfolio selection under the high volatility represents one of the most appreciable as well...