What is the ERG Theory?如题～

What is the ERG Theory?如题～ 英文经济方面的问题问答题1.how might a knowledge of the price elasticity of demand for its products be useful to a firm?2.what arguments would you use to support privatisation of state-owned industries in china?3.what is meant in game theo erg是什么 ERG and what is the date what is the meaning? What is the matter? what is the story What is the happiness? What is the love? what is the pencil what is the matter? what is the matter? what is the love? what is the fuck? What is the man? what is the hell what is the time