Structural Hole Theory emphasizes the importance of the structure of social ties, arguing that individuals who occupy positions in the network that bridge structural holes (i.e., gaps between groups) have greater access to information and resources.

Social Identity Theory focuses on the role of social identity in shaping network ties, arguing that individuals tend to form ties with others who share their social identity.

Network Centrality Theory emphasizes the importance of network centrality, arguing that individuals who occupy central positions in the network have greater access to information, resources, and power.

Social Exchange Theory focuses on the role of social exchange in shaping network ties, arguing that individuals form ties with others based on the perceived costs and benefits of the relationship.

Granovetter's Strength of Weak Ties Theory emphasizes the importance of weak ties, arguing that these ties can provide access to new information and resources that are not available through strong ties.

Social Capital Theory focuses on the role of social capital in shaping network ties, arguing that individuals with high levels of social capital have access to greater resources and opportunities.

Granovetter's Embeddedness Theory emphasizes the importance of network embeddedness, arguing that economic action is embedded in social networks and that these networks shape the outcomes of economic transactions.

Burt's Structural Closure Theory focuses on the role of network closure in shaping network ties, arguing that individuals who occupy positions in closed networks have greater access to information and resources.

Burt's Network Brokerage Theory emphasizes the importance of network brokerage, arguing that individuals who occupy positions that bridge structural holes have greater access to information and resources.

McPherson's Homophily Theory focuses on the role of network homophily in shaping network ties, arguing that individuals tend to form ties with others who are similar to them in terms of social characteristics.

Blau's Social Segregation Theory emphasizes the importance of network segregation in shaping network ties, arguing that individuals tend to form ties with others who are similar to them in terms of social characteristics.

Network Inequality Theory emphasizes the importance of network inequality in shaping network ties, arguing that individuals with high levels of network resources have greater access to information, resources, and power.

Network Dynamics Theory emphasizes the importance of network dynamics in shaping network ties, arguing that network ties are constantly changing and evolving over time.

Network Evolution Theory emphasizes the importance of network evolution in shaping network ties, arguing that networks are constantly evolving and changing over time.

Network Resilience Theory emphasizes the importance of network resilience in shaping network ties, arguing that networks are able to withstand and recover from disruptions.