Government guarantees can help persuade private investors to finance valuable new infrastructure. But because their costs are hard to estimate and usually do not show up in the government's accounts, governments can be tempted to grant too many guarantees. Drawing on a diverse range of...

The book considers when governments should give guarantees to private investors. After describing the history of guarantees, and the challenges the politics and psychology create for good decisions, the book sets out principles for allocating risk (and therefore guarantees), techniques for...

Each year developing countries seek billions of dollars of investment in their infrastructure, and private investors, mostly in rich countries, seek places to invest trillions of dollars of new savings. Private foreign investment in the infrastructure of developing countries would seem to hold...