Then, the strategy for the entire chain should have been based in a seasonal method, in which there is a pattern that repeats every N periods for some value of N. In our case, is possible to see that between period 5 and 8 there is a pattern. Also, in period 12, the demand of beer increased as well. The reasons of that can be related to the summer season and the end of year parties on these periods. Because of that, a method more accurate, considering seasonality, could have resulted a more correct prediction of orders and the costs resulted from backlog or carrying inventory would have been lower.
How to improve forecast To consistently manage performance, the Beer Chain needs timely and accurate forecasts that can guide decision making and support strategic goals in the long term. When executed correctly, forecast can help to streamline the process, respond to changes, evaluate drivers and improve the process and workflow. In the management of the game, the four parts of the chain could infer some improvements. At first, the success of a supply chain is based on the harmony of all the parts, which means