Source: Nick Shaxson, Tackle Tax Havens blog
A phenomenon that has become quite fashionable over the last decade or so among governments is the Public-Private-Partnership, or PPP. The UK started to introduce this model in the mid-1990s, and it is also a favoured option in Spain and Hungary. One of the many dangers is that it allows private companies who enter into partnership with government to funnel the profits into tax havens.