उत्पाद 'Rolex' और 'Bollix' के बीच मांग की आड़ी लोच (cross-price elasticity) 10 है। यह धनात्मक मान दर्शाता है कि Rolex और Bollix हैं:

Which of the following is NOT valid for the ordinal school of consumer preferences?

Identify the correct equation representing the Cobb-Douglas production function:

Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The skimming price policy is adopted where close substitutes of a new product are not available. Reason (R): This policy requires fixing a lower initial price designed to penetrate the market as quickly as possible and is intended to maximize the profit in the long run. In the light of the above statements, choose the most appropriate answer from the options given below: