Which of the following theorists believe a decrease in marginal tax rates will increase the incentives to work and invest?

Which of the following determines the overall price and output in the short run?

A. AD B. AS C. Both AD and AS D. GDP

Refer to the above table. What is the absolute price elasticity of demand when a price rises from $9 to $9.50?

A) 0.35 B) 0.55 C) 2.57 D) 2.85