An optimal health system must ensure that all citizens have free access to medical services, and to determine the effective use of funds. We therefore reach the conclusion that the health financing system that best meets the optimal criteria is the public one. We believe that a system of public...

From a temporal perspective, the collected tax revenues for the public budget know a number of changes in terms of flow and collection rates due to changes in factors of influence. The most used method to measure the response, the sensitivity of tax revenue to any changes of a variable is...