“…Several studies also probed into the optimal allocation of ad budgets across different time periods (e.g., Sasieni, 1971Sasieni, , 1989Mahajan & Muller, 1986;Vakratsas, Feinberg, Bass, & Kalyanaram, 2004;Ching, Yuen, Ng, & Zhang, 2006). In these studies, the shape of the ad response function plays an important role in dynamic ad strategies.…”