Chris wrote:

Mary and Tom Poppendieck have great presentations and a workshop on this topic. Here is a URL to a Powerpoint presentation from them:

http://www.poppendieck.com/pdfs/AgileContracts.pdf

Also, here is some data from a workshop:

http://www.poppendieck.com/agilecontracts.htm

And Alistair Cockburn has a great page on Agile Contracts here:

http://alistair.cockburn.us/index.php/Agile_contracts

Martin Fowler has a page on “Scope Limbering” here:

http://martinfowler.com/bliki/ScopeLimbering.html

Hope these help.

Thanks Chris! Here are a couple more links:

Leading Answers - Agile Contracts - blog entry with some good references.

Contracting Agile Projects - by the Cutter Consortium

I'm not an expert on agile contracts myself. I would be interested in hearing from people if they have any stories about actually using (or failing to use) contracts in an agile environment.