If the short run elasticity of demand for widgets is 0.4 and the long run elasticity of demand for widgets is 0.95, a decrease in price will ____ total revenue in the short run and ____ total revenue in the long run.
【单选题】A smaller regional cultural community called the ________devised ( 设计 ) a greatly simplified alphabet (字母) with 22 letters around 1300 B.C.E.; this in turn was the ancestor of the Greek and Latin alph...