On July 23, 2013, Ezra Keshet presented the results of his first experimental work as a talk titled "Coherence and Donkey Anaphora" at the International Congress of Linguists in Geneva, Switzerland.  The talk was part of Session 6A on Semantics and Pragmatics, organized by Kai von Fintel and David Beaver.

Abstract and Talk Slides

You can read more about Donkey sentences on Ezra's blog