中国大学MOOC: Which of the following statements about functional headings is accurate?

Which of the following statements about markets is most accurate? A: Markets are usually a good way to organize economic activity B: Markets are usually inferior to central planning as a way to organize economic activity. C: Markets fail and are therefore not an acceptable way to organize economic activity. D: Markets are a good way to organize economic activity in developed nations, but not in less developed nations.

Which of the following statements is accurate? ( )

Which of the following statements is true about the most common system of outlining?

Which of the following statements about proxy statements is least accurate Proxy statements are:（） A: issued to shareholders when there are matters that require a shareholder vote. B: not filed with the SEC. C: a good source of information about the qualifications of board members and management.