public goods

The economics of information shows that whatever happens, the solution our ailing newspapers to the digital revolution will not be a perfect one. 

An important notion in economic analysis is of a ‘public good’ (which may be a service). Not THE public good (a.k.a. the ‘common good’), which is shared and beneficial for all or most members of a given community. A public good in this narrow sense has two key features: it is ‘non-excludable’ and it is ‘non-rivalrous’.