This doesn’t model B2C-type asymmetrical situations, but pure P2P-type symmetrical situations. An easier first step for the interested beginner would be modell

This doesn’t model B2C-type asymmetrical situations, but pure P2P-type symmetrical situations. An easier first step for the interested beginner would be modelling visibility as a kind of dynamic network. That leads to interesting considerations about imperfect information and agents’ profit-maximisation under such conditions. (Economist here.)