Lee, Junsoo; Shin, B. S.; Chung, In - In: Applied Economics Letters 3 (1996) 5, pp. 299-301
It is puzzling that previous studies have found causality only in one direction from sales to advertising, but not the reverse. Employing the sequential causality tests of Toda Phillips (1993), the casual relationship between advertising and sales appears to run in both directions. This finding...