If they both do not produce (0,0) nobody benefits. If one produces whilst the other does not (100,0) the producing company will capture the industry and have 100% share (0,100). Game theory states that the first mover, or the initial firm in the industry, will always win.
If neither company produces anything, nobody benefits. If one company produces while the other does not, the producing company will dominate the market and have 100% of the share (0,100). Game theory suggests that the first firm to enter an industry will always succeed.