This author of Reform or Revolution?
One work by this thinker features sections contrasting the thought of Jean Charles de Sismondi and Thomas Malthus against that of Jean-Baptiste Say and David Ricardo. That work by this thinker argued that underconsumption in capitalist societies forces those societies to stabilize through trade with non- capitalist formations. An early work by this thinker blasted the revisionist theory of Eduard Bernstein. This author of Reform or Revolution? and The (*) Accumulation of Capital posed a choice between "socialism or barbarism" in the so-called "Junius Pamphlet," and co-founded the newspaper Die Rote Fahne with Karl Liebknecht during the November Revolution. For 10 points, name this German Marxist theorist assassinated in the aftermath of the Spartacist Uprising.
One work by this thinker features sections contrasting the thought of Jean Charles de Sismondi and Thomas Malthus against that of Jean-Baptiste Say and David Ricardo.
Rosa Luxemburg [or Rozalia Luxenburg] 