The Capitalism theory
We have many anecdotal evidences that economical capitalism creates more welfare than economical communism. However, we lack a clear model to explain what is necessary for the capitalism to work and what is only contingent - not contributing or even affecting the welfare creation. Without such model, we are left debating with ideological arguments like "private property is a natural right" or the anecdotal argument that "communism never worked well enough". The opposing side would naturally reply with some other anecdotal evidence about the shortcomings of capitalism and the possibility that "communism failed because it was not correctly implemented". I will argue here that we can actually model the way private property positively impact the creation of overall welfare. On the other hand, we can also identify cases when private property can negatively impact the overall welfare. I use "common welfare" in the common, intuitive sense: th...