What to do when survey data is not available or not trustworthy? An application of novel ecological inference techniques to the Carinthian Plebiscite of 1920

Ecological inference techniques, as advocated and codified by Gary King, provide a way forward when survey data is biased or unavailable and researchers need to infer individual behavior from contextual data. The historical 1920 Carinthian plebiscite provides an ideal-typical application: it was organized to decide whether an ethnically and linguistically