@incollection{2021:piketty:produktivi,
title = {Produktivität in Deutschland und Frankreich},
year = {2021},
note = {},
booktitle = {Der Sozialismus der Zukunft},
pages = {54--73},
edition = {},
author = {Piketty, Thomas},
publisher = {C.H.BECK},
address = {München},
series = {C.H.Beck Paperback},
volume = {6042}
}