U .S . also influences the pricing scheme for inelastic products like electricity and gasoline in to maintain the stability of the country 's economy . From the table , it can be said that the volatility of retail gas price is not only caused by the increasing or decreasing demands for gasoline but also caused by increasing or decreasing supply . Concerning the supply , OPEC (Organizations of Petroleum Exporting Countries , a cartel composing of oil producers , is example of organization that determines the...











SUBJECTS

