The price elasticity of supply for the Hope Diamond is zero because there is only one. Therefore, the supply curve for the Hope Diamond is

Argentina's financial crisis was due to

A) poor supervision of the banking system. B) a lending boom prior to the crisis. C) fiscal imbalances. D) lack of expertise in screening and monitoring borrowers at banking institutions.

Economics is the study of the logic of

a. rational decisions. b. decision-making activities. c. ends and means. d. choosing options from those available. e. All of the above are correct.