Talk:Market design

External links modified
Hello fellow Wikipedians,

I have just modified 3 external links on Market design. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20140220221421/http://www.econ.northwestern.edu/seminars/Nemmers09/milgrom-presentation.pdf to http://www.econ.northwestern.edu/seminars/Nemmers09/milgrom-presentation.pdf
 * Added archive https://web.archive.org/web/20140220221307/http://www.econ.northwestern.edu/seminars/Nemmers09/krishna-presentation.pdf to http://www.econ.northwestern.edu/seminars/Nemmers09/krishna-presentation.pdf
 * Added archive https://web.archive.org/web/20140220221414/http://www.econ.northwestern.edu/seminars/Nemmers09/ausubel-presentation.pdf to http://www.econ.northwestern.edu/seminars/Nemmers09/ausubel-presentation.pdf

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

Cheers.— InternetArchiveBot  (Report bug) 16:03, 18 January 2018 (UTC)

Notation
If somebody knows what $${{x}_{-i}}$$ refers to please put it into the article. I have a physics and computer science background and I have never seen it.