In a more complex economy, the relationship between production (supply) and spending (demand) still holds.

FORBES: The Keynesian Illusion Of Demand Creation

To gain a deeper understanding of the CSR movement, it is critical to set aside our one-dimensional view of corporate beneficence to tease out a more sophisticated understanding of the complex relationship between corporations and their activities and the greater community.

FORBES: Corporate Social Responsibility: Cheaper Than a Pension Fund

While the agency model has given CMOs extensive experience in working with external partners, a much broader, more complex ecosystem is now required that demands much more than a basic client-vendor relationship.

FORBES: Building Your Customer Engagement Ecosystem

Managing a relationship with a strategic outsourcer is far more complex than coping with an ordinary supplier.

ECONOMIST: Outsourcing

The issue is made more complex by the evolving relationship between Greenland, a hunting-based society of just over 50, 000 people, and its former colonial ruler.

BBC: Call for UN debate rejected as whaling talks end

Mr Williamson showed that complex transactions involving investment decisions that are much more valuable within a relationship than to a third party are best done within a firm.

ECONOMIST: The Nobel prize for economics