Build-Right Concrete Products Produces Specialty Cement Used in Construction of Highways.Build-Right

Multiple Choice

Build-Right Concrete Products produces specialty cement used in construction of highways.Build-Right is a price-setting firm and estimates the demand for its cement by the State Highway Department using a demand function in the nonlinear form: $Q = a P ^ { b } M ^ { c } P _ { R } ^ { d }$ where Q = yards of cement demanded monthly,P = the price of Build-Right's cement per yard,M = state tax revenues per capita,and $P _ { R }$ = the price of asphalt per yard.The manager at Build-Right transforms the nonlinear relation into a linear relation for estimation.The estimation results are presented below: Given the above,the estimated cross-price elasticity of demand for cement relative to the price of asphalt is

A) 0.3
B) 0.6
C) 1.2
D) 3.0
E) none of the above