The old adage "rules are made to be broken" would typically be associated with economists who might advocate ________

The percentage change in the quantity supplied in response to a percentage change in the price is known as the

A) slope of the supply curve. B) excess supply. C) price elasticity of supply. D) All of the above.

Railroad construction in the late 19th century:

a. added little to economic fluctuations. b. strongly influenced capital formation. c. caused the three major financial crisis of that era. d. All of the above are correct. e. Only b and c are correct.