Studies have fixed the short run price elasticity of demand for gasoline at the pump at -.20. suppose the international hostilities lead to a sudden cutoff of crude oil supplies. as a result, us supplies of refined gas drop 10 percent. if gasoline were selling for $2.60 per gallon before the cutoff, how much of a price increase would you expect to see in the coming months?

happiness is the correct luck

explanation:

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

answerall of these;