The short run is a time period in which: / » Micro Economics 1 solved MCQs / By admin Question: The short run is a time period in which: A. All resources are fixed. B. The level of output is fixed. C. The size of the production plant is variable. D. Some resources are fixed and others are variable. Answer» d. Some resources are fixed and others are variable. Note: The above multiple-choice question is for all general and Competitive Exams in India.