Latin America can crudely be divided into socialist and free-market camps and the financing of infrastructure projects is primarily a product of a country’s politics. The left-leaning block – including Venezuela, Argentina, Ecuador and Bolivia – see infrastructure as a necessity which it is the state’s duty to provide. The government therefore retains maximum control of the provision of all roads, railways, water, sewage systems and power. Conversely, in Brazil, Chile, Peru, Mexico and Columbia there has been an increasing acceptance that the...