de-Graft Acquah H. Threshold Effects and Asymmetric Price Adjustments within the Ghanaian Maize Market. JEBS [Internet]. 2012 Sep. 15 [cited 2026 Oct. 25];4(9):497-504. Available from: https://amhinternational.com/jebs/article/view/2426-threshold-effects-and-asymmetric-price-adjustments-within-the-ghanaian-maize-market