Delve into the second part of a lecture on entry costs and barriers in industrial organization. Continue exploring key concepts and theories related to market entry, building upon the foundation laid in the previous session. Gain deeper insights into how entry costs and barriers impact market dynamics, competition, and firm strategies. Examine real-world examples and case studies to reinforce understanding of these critical economic principles. This lecture is part of MIT's Industrial Organization I course, taught by Professor Glenn Ellison in Fall 2022.