Wikipedia: How to Motivate Expert Contributions?

What motivates experts to contribute to Wikipedia? Yan Chen, an economics professor at University of Michigan, ran a field experiment to find out.

Wikipedia is one of the most-visited sites in the world, and for good reason—it’s off-the-charts useful! That's remarkable considering it's created entirely by volunteers. But sometimes, Wikipedia articles can be incomplete or flat wrong because they lack the contributions of experts.

How can we solve this?

This video covers Yan Chen’s field study on what motivates experts to contribute to Wikipedia. Citations? Public acknowledgement? Just asking?