What are the changing roles of public, private, and nonprofit agencies in addressing public problems? What difficulties might a public manager face in trying to implement management techniques borrowed from the private sector?

In the clarification segment elsewhere here, the definition of the query is mentioned.

Explanation:

Indeed, whenever it comes to solving civic issues, the functions of civic, corporate, and nonprofit organizations are shifting. Whenever it comes to solving civic concerns, civic companies have historically been at the forefront. These companies have advocated state incentives, often at the expense of profitability, with respect to the household spending of specialized services and products. By encouraging fair use, public corporations are considered to defend the public.

The position of public entities is now evolving if they're no necessarily safeguarding the public's needs at the expense of profitability, but by generating gains which are already required of them as a company, they attempt to resolve public issues.  Via their CSR programs, private companies have become more interested in addressing public issues. The aim of private corporations was to raise income and build wealth for their owners, but now because they are willing to make a change in the community of individuals.  In solving societal issues, non-profit organizations have always been at the forefront. The main difference is that more non-profit organizations are becoming larger and on a size equal to the one of certain private and government entities.

The following problems could be encountered by a public manager attempting to incorporate organizational strategies imported from either the private sector:  

When applying management strategies, a high degree of public sector bureaucracy can continue to be a challenge as well as a roadblock.  The adoption of institutional reforms would make it extremely difficult for the public sector to adopt management strategies along with its tradition.