As the resources for promotion are limited, it is important to create and implement a model to evaluate a priori the investments made and continuously monitor the return obtained. Concerning the valuation of the investments made, there is no evidence that, at a regional level, in Madeira, this politics actually exists as a previous valuation that can assist the decision to invest or not. When this rule for the profitable index of the promotion is applied, based on the valuation model created, we can verify that according to the strategic targets, and in harmony with the previous agreed plans, the value obtained for return on investment is under the historic level obtained, which is about 47 times. The model is created to generate a full process on establishing main objectives of political investment, fully related with the amount spent on investment.