One executive showed nicely how the $\_\_\_\_$ can be restarted in a negotiation that has reached impasse. She took out a package of M&Ms and poured them in the middle of the table. $$What are those for?$$ asked her counterparts. $$To keep score,$$ she said. She took an M&M out of the pile and placed it on her side of the table and announced a small concession on the deal. $$Now it$$s your turn,$$ she said. The two men opposite her took two M&Ms out of the pile and announced a concession. $$Our concession was bigger than yours,$$ they said.

Group of answer choices

Norm of reciprocity

Principle of least resistance

Use of standards

Norm of equity