The high barrier of entry ultimately dictates the oligopolistic nature of the current Australian EV
market as it’s almost impossible for smaller players to compete.
Two local nash equilibriums exist in this game, namely both firms opting for proprietary or both
firms operating for general (compatible with each other). These two combinations are nash
equilibriums as deviations from the initial strategies will result in undesired outcomes. If both firms
choose to go with a general plug, the convenience and accessibility of charging infrastructure will
increase overall market demand and likely results in the greatest sum of combined benefit, switching
to a proprietary plug unilaterally makes the firm’s future product incompatible with existing