Is INSA overreporting support for the AfD?

The other day, someone on twitter suggested that the polls on the upper margins of my latest model-based estimates of AfD support were conducted by the “notoriously AfD-friendly INSA company”. https://twitter.com/freifrauvonitze/status/845565084290158593 This view is not uncommon in Germany. INSA, who do polling for Germany’s premier tabloid Bild, want to prop up support for the AfD…

All the Political Science wisdom on the Trump victory /presidency in one single blog post. Or two, perhaps 

The one and only Philip Schrodt has written what I think is the perfect seven-take-home-messages rant on that election and it’s likely outcomes. Skip all the self-flagellation/yes-but posts and read this instead: [contentcards url="https://asecondmouse.wordpress.com/2016/11/12/seven-observations-on-the-2016-election/"] Then again, there is one thing that does not get enough coverage in there, and that is the whole polling/prediction disaster.…

Stata Software for Assessing Survey Bias

BinaryApe / Foter / CC BYIn a recent paper, we derive various multinomial measures of bias in public opinion surveys (e.g. pre-election polls). Put differently, with our methodology, you may calculate a scalar measure of survey bias in multi-party elections. Thanks to Kit Baum over at Boston College, our Stata add-on surveybias.ado is now available…