This lecture covers the concept of 'best owner' in the context of land and real estate economics, discussing the principle of 'consent to pay' and the competition between buyers and investors. It also explores how the transaction price of land depends on the sales terms, illustrating with examples of different projects and developers. The lecture concludes with a summary of the competition between developers, the formation of land prices based on their willingness to pay, and the significance of having the best developer ('best owner').