Is Cardano Infinite supply?

Could you elaborate on the supply model of Cardano? Is it designed to have an infinite supply, or does it have a finite cap? Understanding the economics behind the supply mechanism is crucial for investors and enthusiasts alike. Does Cardano aim for long-term sustainability by implementing a controlled and predetermined supply? Or does it aim for a more flexible model that allows for expansion as the ecosystem grows? Clarifying these details would greatly assist in evaluating the potential of Cardano as a long-term investment.