One of Econlib's aims is to put online the most significant works in the history of economic thought, and there can be no doubting the significance of Marx's influence on both economic theory in the late 19th century and on the creation of Marxist states in the 20th century. From the time of the emergence of modern socialism in the 1840s (especially in France and Germany), free market economists have criticised socialist theory and it is thus useful to place that criticism in its intellectual context, namely beside the main work of one of its leading theorists, Karl Marx.In 1848, when Europe was wracked by a series of revolutions in...