There are only two causes of inflation, population growth, and how we utilize resources. If population continues to grow, inflation is necessary. There has to be more currency for more population which makes currency worth less than it was, because everyone essentially shares everything through working and buying. How well we share is dependant on wages and / or civil design. The other one, resources, is really just a matter of how wasteful we are vrs how well we share. Wealth is a prime example of this. An apartment complex can house a few thousand people for a building that costed 3 million dollars to build. Whereas a billionaire may have a single family home worth 5 million. The billionaire causes a significant amount of inflation when he/ she chooses to live this way. His home raises the property values of cheaper single family homes, and apartment complexes alike. Inflation is a balancing beam. In one side are people, on the other side, are all available recourses.