Other things being equal a decrease in demand can be caused by / » Micro Economics 1 solved MCQs / By admin Question: Other things being equal a decrease in demand can be caused by A. a fall in price of the commodity B. a fall in income of the consumer C. a rise in price of the substitute D. none of these Answer» b. a fall in income of the consumer Note: The above multiple-choice question is for all general and Competitive Exams in India.