Table 1.

Game class characteristics.

Game class	Abbreviation	Number and types of Nash Equilibria			Dom. solvable?	Incentives
		PSNE [PDNE, RDNE]		MSNE
Zero-sum	ZS	0 or 1		1 or 0	Possibly	Pure conflict
Prisoner's Dilemma	PD	1		0	Yes	Social dilemma
Mixed strategy	MS	0		1	No	Discoordination
Stag hunt	SH	2	[1, 1]	1	No	Coordination
Chicken	CH	2	[0, 1]	1	No	Anti-coordination
Battle of the Sexes	BOS	2	[0, 1]	1	No	Coordination
No competition	NC	1		0	Possibly	No conflict

PSNE, pure strategy NE; MSNE, mixed-strategy NE; PDNE, payoff-dominant NE; RDNE, risk-dominant NE.