MIT 14.01 Principles of Microeconomics, Fall 2018 Instructor: Prof. Jonathan Gruber View the complete course: https://ocw.mit.edu/14-01F18 YouTube Playlist:    • MIT 14.01 Principles of Microeconomic...   This lecture finishes the discussion about costs from Lecture 6, and then the instructor explains perfect competition and short-run profit maximization. License: Creative Commons BY-NC-SA More information at https://ocw.mit.edu/terms More courses at https://ocw.mit.edu/ Support OCW at http://ow.ly/a1If50zVRlQ We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.