Today, Karl Marx is considered one of the preeminent social scientists of the last two centuries, and ranks among the most frequently assigned authors in university syllabi. However in Marx's time, many competing sociological traditions and socialist political movements espoused similar ideas...

The Sozialdemokratische Partei Deutschlands (SPD) is often proposed as a pre-Soviet popularizer of Marxist economic theories due to its electoral successes in Germany in the decades before World War I. Using the Synthetic Control Method (SCM), we examine whether German-language print references...