There are three kinds of lies: lies, damned lies, and statistics’ according to Disraeli. Dani Rodrik gives some advice for the ecnommist and non-economist on how to deal with the controversies surrounding economics.
As one sees there is no difference between the “centrist” corrupt Partido Popular and the “centrist” corrupt Social Democrats in Spain. This is pretty much true throughout most of Europe South of Scandinavia. Read here