Every ecosystem is shaped by billions of invisible battles: organisms competing for light, nutrients, space, or mates. These competitive interactions determine which species survive, how they evolve, ...

Awareness of the five forces can help a company understand the structure of its industry and stake out a position that is more profitable and less vulnerable to attack. by Michael E. Porter In essence ...

Recent literature has shown that corporate indebtedness affects firm-level investment behavior but not necessarily aggregate business cycles. I argue that interactions among heterogeneous firms play ...

In the future, as the climate warms, more plants will migrate and interact with different species of plants than before, according to Jonathan Levine, a professor at Princeton University. Levin gave a ...