What are some challenges and benefits of living in a global society ?

Not all business practices are ethical, they also are unfair with their exchanges between smaller and larger economies.

Openness to trade brings many benefits to the supply side of the economy. These include: larger markets, greater specialization opportunities, and the increased ability to exploit economies of scale and scope; faster transmission of technology and innovation

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.