inventory. However most of this has been related to the control of stock products whose demand is smooth and continuous. When … demand is lumpy these methods are inefficient in their attempts to minimise thé operating cost. A simple regression model is … developed for computing optimal (s, S) policies for items with lumpy demand patterns. Continuous review of inventory level is …

Applies a modified Keynesian money demand function to household money demand in Poland from 1969 to 1993. Co …‐integration between the demand for broad money, income and shortage, despite the regime shifts during the 1980s and full liberalization of … concerning portfolio arguments in the money demand function. Because the Polish economy has developed from a cash into a savings …

innovations. The size of innovation returns seems to be affected positively by demand growth, by product standardization, and by … Schmoockler’s (1966) theory of demand‐pool innovation, the price‐elasticity of demand effects postulated by Kamien & Schwartz …

Demand forecasting models are past the point of academic curiosity, and although they are still in the early stages of … their life cycle, they are well beyond the development stage. The modelling of demand phenomena may be viewed as having two …