Property-based development has played a prominent role in urban regeneration projects undertaken by public private partnership. Property development refers to the assembly of finance, land, building materials and labour to produce or improve buildings for occupation and investment purposes. Post-Secound World War governments have sometime used property as an instrument of macro-economic management, boosting or dampening aggrement demand by pumping public resources into, or withdrawing them form, housebuilding,, roads, railways, schools and other physical infrastructure.