“…The projection is usually more stable than the average, and, in the case of heterogeneity, the quantile regression is more accurate than the ordinal least squares regression. In the subsequent variants, a quantile template panel is defined according to Ismail, Loganathan, Streimikiene, Mardani, and Wan Endut 73 and Halliru, Loganathan, and Golam Hassan 74 as: QCO 2i, t (δ / κit) = β0(δ) + β1(δ) Yi, t, + β2(δ) FY2i, t, + β3(δ) TNRi, t, + β4(δ) TNR2i, t, + β5(δ) EUi, t,…”