EREN, Okan - In: Iktisat Isletme ve Finans 29 (2014) 344, pp. 55-72
using the purchasing managers` index (PMI) data and to quantify the predictive performances of three alternative models …: naïve, constant and variable models. Naïve model employs only the GDP data while the other two use both GDP and PMI data …-invariant PMI threshold that corresponds to a stagnant economic activity is found to be 47.5, any PMI reading above (below) which …