how to negotiate

There are some excellent materials on this tricky skill:
Jay Doubleyou: the psychology of negotiation

One of America's leading experts tells all:



How to Negotiate for Anything - Linda Swindling - YouTube

Here's a very useful set of short videos looking at most negotiation techniques:
LINGO: Integrative Negotiation - YouTube

Here's an example over a slice of pizza:



How to Negotiate - YouTube

And another series of talks with role-plays:
Hotel Sales Coach - Don't Negotiate One Item at a Time - YouTube

Here are some training videos:
The Linder Negotiation: A CBI Training Video Excerpt - YouTube
Negotiations: Solving the Tough Problems - LC-NGS - YouTube

And from the movies:
The Godfather: Part 2 (1/8) Movie CLIP - My Offer is Nothing (1974) HD - YouTube
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