Build-operate-transfer (BOT) contracts are increasingly being used to finance and operate large-scale public infrastructure projects, due to their potential for improving efficiency and allowing governments to use public funds more effectively. The private company that receives the concession can access private investment funds to finance the project. Because private financing is typically available at lower interest rates than public borrowing, BOT contracts can reduce the total cost of financing and maintaining the infrastructure project.

In addition to providing access to lower-cost financing, BOT contracts allow the private sector to bring managerial and technical expertise to the project. Private companies can focus on maximizing efficiency and profitability, which can improve the quality of the infrastructure project. Private sector involvement also helps to reduce the administrative burden and taxation on the government.

BOT contracts also provide an avenue for governments to transfer the risk associated with constructing and maintaining publicly funded projects. By transferring certain aspects of the project to a private company, the government can avoid the risk of cost overruns and delays.

Despite the potential benefits of BOT contracts, they are not without their critics. There are concerns that private companies may use the contracts to increase prices and decrease the quality of services. The contracts are also criticized for the lack of transparency and oversight.

Overall, build-operate-transfer (BOT) contracts can be a useful tool for financing and managing large public infrastructure projects. They provide access to private capital, managerial and technical expertise, and a means of transferring risk. Government oversight is essential to ensure that the private companies fulfill their obligations, and that the public interest is served.