First, watch the video "Racism Has a Cost for Everyone" at https://www.ted.com/talks/heather_c_mcghee_racism_has_a_cost_for_everyone?language=en#t-839625.

1. Briefly summarize the main messages presented by the speaker. Be sure in your summary to include economic terminology covered in this chapter -- ideas of externalities (negative and positive), market failure, public goods, etc..