# Key Takeaways - Four inputs to [[global public goods (GPG)]] concept: 1) knowledge and tech, 2) international collective action, 3) national health system, 4) non-health system inputs - Financing mechanism for [[global public goods (GPG)]] in Communicable Disease Control: 1) voluntary contributions, 2) coordinated contributors, 3) global taxes ([[Tobin tax]]), 4) market-based system - [[global public goods (GPG)]] must consider the "[[weakest link]]" that is the worst-performing health system in a country. It may be useful in deciding the financing mechanism. - Case-by-case financial mechanism must be considered where it's appropriate. - Even if something **can** be [[global public goods (GPG)]], there are limits to GPG's effectiveness as a means of identifying international objectives, as it is not **necessary** appropriate to provide **everything** which can be considered a [[global public goods (GPG)]].