The other stops, Baker Street, Marble Arch and Victoria coach station are centrally located and also offer many onward travel options, including access to the Jubilee, Metropolitan, District & Circle, Victoria and Bakerloo tube lines and overground services from Marylebone and Victoria stations.
Competitive Exclusion Principle. The competitive exclusion principle is an ecological principle stating that when two competing life forms attempt to occupy the same niche, only one outcome is possible: One life form will drive out the other.
Weaknesses of Pure Competition Theory. The main weakness of pure competition theory is that perfect competition does not exist in reality. In addition to having many comparable sellers, many comparable buyers, and a homogeneous product, a market must have perfect information to be perfectly competitive.