A chain saw is an example of which of the following factors of production?

Refer to the figure above. What is the absolute value of the arc elasticity of demand when the price increases from $6 to $8?

A) 1.25 B) 2.75 C) 3.45 D) 4.00

Why would a macroeconomist look at the seasonally adjusted unemployment rate?

a. to observe underlying trends that seasonal unemployment might obscure b. to understand the effect of seasonal unemployment on other types of unemployment c. to observe how weather affects the unemployment rate in different years d. to prove that seasonal unemployment is negligible in terms of affecting the unemployment rate