A revolving door is the popular phrase used to describe the movement of high-level employees from public-sector jobs to private sector jobs and vice versa. This practice is seen in many democratic countries around the world and has become a frequent source of ethical and legal debates in recent years. Critics argue that this "revolving door" practice could lead to a situation where public sector and private sector interests become intertwined and, as a result, different decisions and policies may be favored for particular individuals, rather than for the general public or public interest.

On the other side of this debate, proponents of the revolving door argue that having specialists in private lobby groups and running public departments ensures a higher level of expertise is at work when making and implementing public policy. They argue that this can be beneficial, as the people involved in the public policy process will have more insight into current industry and technological developments. Furthermore, they argue that global firms may have access to personnel with international experience, which can be beneficial when crafting policy decisions.

However, this is a heavily debated practice, as there are several factors that could influence the revolving door process. Critics argue that it can result in a situation where privileged individuals are given preferential treatment, or where private interests could interfere in public policy. Moreover, even when attempting to avoid such circumstances, there can still be difficulty in creating effective policies to prevent or limit the revolving door practices.

Indeed, the effectiveness of revolving door regulations is considered to be limited and, even in the world's largest democracies, policies that are designed to prevent or limit these practices aren't effective. As a result, it is difficult to determine whether the benefits of having experienced personnel from both the public and private sectors actually outweigh the potential risks involved in the revolving door process.

Overall, the debate surrounding revolving door practice remains controversial and difficult to settle. Critics argue that the potential benefits may be outweighed by unethical and potentially illegal behavior, while proponents argue that the experience and expertise gained through this practice can be beneficial. Ultimately, it is up to the lawmakers of each country to determine whether the potential downsides of this practice outweigh their potential positives.