In short words, strictly competitive games are a special type of strategic games whose preferences are completely opposed. The formal definition is shown as following.
A strategic games is a model of interactive decision-making in which each decision-maker selects his plan of action once and for all, and these choices are made simultaneously. The formal definition of a strategic game is shown as following.
What is Game Theory?
Game theory is a subject that helps us to realize the phenomena caused by the interaction of decision-makers. The fundamental assumption of game theory is that every decision-maker persues an exogenous objective while considers other decision-makers’ behaviours. Actually, game theory does nothing but constructs some abstract models that can reflect the real-life situations.