Monthly Archives: March 2015

Mike Ward IMC Talk Friday 3/20 @ Noon Eastern: “Irregular Leadership Changes in 2015: Forecasts using ensemble, split-population duration models”

Our final talk for Spring 2015 will be given by Mike Ward (Duke University); his presentation is entitled “Irregular Leadership Changes in 2015: Forecasts using ensemble, split-population duration models.” Everyone is welcome to join us this Friday, March 20th, at … Continue reading

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Graphical Presentation of Regression Discontinuity Results

[Editor’s note: this post is contributed by Natalia Bueno and Guadalupe Tuñón.] During the last decade, an increasing number of political scientists have turned to regression-discontinuity (RD) designs to estimate causal effects.  Although the growth of RD designs has stimulated … Continue reading

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Mark Nieman IMC Talk Friday 3/13 @ 12 Eastern: “Statistical Analysis of Strategic Interaction with Unobserved Player Actions”

This week, Mark Nieman (University of Alabama) will be giving a presentation entitled “Statistical Analysis of Strategic Interaction with Unobserved Player Actions.” Everyone is welcome to join us this Friday, March 13th, at 12:00 PM Eastern time for the presentation … Continue reading

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Some code for estimating clustered SEs in mlogit models

There’s a well-known bit of code for estimating Liang and Zeger (1986) type cluster robust standard errors for GLM models in R (see also Rogers 1993), but it doesn’t work exactly right off-the-shelf for multinomial models estimated in the mlogit … Continue reading

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Corrections and Refinements to the Database of Political Institutions’ yrcurnt Election Timing Variable

The yrcurnt variable in the Database of Political Institutions (Beck et al. 2001, updated in 2013)1–DPI–is a regularly used measure of government election timing. For example, Alt, Lassen, and Wehner (2014) use the variable in their recent study of fiscal … Continue reading

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