Days when I'm glad to be in an economics department

Several of my political economy students found an article in the Journal of Public Policy (ungated link), on differences between the EU and US in lobbying. The key evidence, from interviews with corporate lobbyists, and doubtless obtained with great difficulty, is presented in this table:

Sophisticated data analysts will notice a certain element is lacking.


> tmp <- as.table(matrix(c(30,20,15,32,36,14), 3, 2))
> tmp
   A  B
A 30 32
B 20 36
C 15 14
> chisq.test(tmp)

    Pearson's Chi-squared test

data:  tmp
X-squared = 2.7411, df = 2, p-value = 0.254

From the article:

In the U.S. we see less compromise and more 'winner-take-all' outcomes and the winners, more often than not, are industry representatives (which will be discussed in more detail below).

Data is then broken up by subcategories...

... and a number of interesting observations are made.

This article has 247 citations.

:-/