Financing public infrastructure is animportant challenge in the growth agenda of the LatinAmerica and the Caribbean (LAC) region. Subject to fiscalconstraints, many countries in the LAC region have beenlooking at private sector financing as an alternative forfinancing public investment. With different degrees ofsuccess, countries in the region have been usingPublic-Private Partnerships (PPPs) since the late 1980s.Although the needs of investments in public infrastructurevary by country and by sector, it is clear that publicresources might not be enough. While public infrastructurewill continue to be largely financed by the public sector inthe LAC region, significant room still exist for privatesector financing of public infrastructure. In AdvancedEconomies (AEs), such as Australia, and the United Kingdom,PPP projects account for 10 to 15 percent of overallinfrastructure investments. This report analyzes thechallenges and policy options to increase private sectorfinancing in public infrastructure in the LAC region throughPPPs. Given the diversity of LAC countries, the report takesa conceptual approach and analyzes the differentalternatives of private sector financing of publicinvestments that different groups of countries can utilize.This approach also takes stock of the different status anddegree of institutional and financial development in LACcountries in light of ongoing promising legal reforms andfinancial innovations for infrastructure finance in the LACregion, as well as in AEs and other regions.