The decentralized city is characterized by a shift away from a single, specialized urban core. Employment, retail, and services migrate to the periphery, often facilitated by improved transport networks. This process leads to 'dedifferentiation,' where urban functions are spread across multiple centers. Concurrently, the inner city may undergo gentrification as middle-class residents return, and the changing landscape can alter the gendered use of public spaces, making them more accessible for local activities.

World systems analysis, often associated with scholars like Immanuel Wallerstein, examines global economic inequalities. It is frequently categorized within new urban sociology because it shifts the focus from internal city dynamics to the global capitalist system, analyzing how urban development is shaped by international economic forces and the exploitation of peripheral nations by core nations.

Decentralization in urban sociology refers to the dispersion of population, employment, and services from a central urban core to peripheral areas. This process often involves the creation of multiple nodes of activity, changes in demographic usage of public spaces, and complex interactions with processes like gentrification, which can occur simultaneously in different parts of a metropolitan region.

Herbert Gans, in his study of urban life, categorized city dwellers based on their lifestyle choices. 'Cosmopolites' are typically highly educated individuals, such as artists, intellectuals, or professionals, who value the city for its diverse cultural institutions, museums, theaters, and vibrant social scene, viewing the urban environment as a source of personal enrichment.

Herbert Gans identified several types of urban dwellers based on their lifestyle and relationship to the city. 'Cosmopolites' are individuals, such as students, artists, and intellectuals, who are drawn to the city specifically for its cultural amenities, diversity, and vibrant social life. This classification helps sociologists understand how different groups utilize urban space and how the city functions as a center for cultural production and consumption.

Herbert Gans identified several types of urban dwellers in his research. He used the term 'ethnic villagers' to describe individuals who maintain strong ties to their specific cultural or ethnic groups within the city. These residents often live in neighborhoods that preserve their heritage, language, and customs, creating a sense of community that resists the anonymity of urban life. This lifestyle allows them to experience the benefits of the city while remaining within a familiar social circle.

Manuel Castells is the sociologist most famously associated with the concept of collective consumption. He argued that in advanced capitalist societies, the state plays a crucial role in providing services such as housing, transportation, and healthcare, which are consumed collectively by the urban population. This theory shifts the focus from individual consumption to the political and social processes of urban resource distribution.

Manuel Castells introduced the concept of collective consumption to explain how the state provides essential services—such as housing, transport, and healthcare—to the urban population. He argued that these services are central to urban social movements and conflicts, as they are consumed collectively rather than individually, reflecting the state's role in managing urban social reproduction.

Industrial capitalism changed the relationship between capital and labour, which in turn affected the organization of the city. Castells argued that the problem of how to sustain a healthy, obedient workforce was solved by the rise of ‘collective consumption’. This term means that the state provides services like education, health, and housing, usually through local authorities.

Manuel Castells introduced 'collective consumption' to describe how the state provides essential goods and services—like housing, healthcare, and education—that are necessary for the reproduction of the labor force. This concept emphasizes that in modern urban societies, the consumption of these services is a collective process managed by political and institutional structures rather than purely individual market choices.