Privatisation refers to the process of transferring ownership and control of public assets to the private sector. There are various ways in which privatisation can be achieved, including leasing, franchising, and contracting. Let's discuss each of these methods in detail:

1. Leasing: This involves the transfer of ownership of public assets to private individuals or companies for a specified period. The private party pays a lease fee to the government for the use of the asset. At the end of the lease period, the ownership of the asset reverts back to the government. Examples of assets that can be leased include land, buildings, and infrastructure.

2. Franchising: This involves the transfer of ownership and control of a business model or brand from the government to the private sector. The private party pays a franchise fee to the government for the use of the brand and business model. The private party operates the business under the guidelines set by the government. Examples of businesses that can be franchised include restaurants, retail stores, and service providers.

3. Contracting: This involves the transfer of ownership and control of public services from the government to the private sector. The private party provides the service to the public under a contract with the government. The private party is paid a fee by the government for the provision of the service. Examples of services that can be contracted include waste management, transportation, and healthcare.

In conclusion, privatisation can be achieved through leasing, franchising, and contracting. These methods allow for the transfer of ownership and control of public assets and services to the private sector, which can lead to increased efficiency and innovation.

Answer is All of the above because in privatisation all have very important roles Therefore we cannot say that only one factor is responsible....