Modigliani, Franco, Jean Paul Fitoussi, Beniamino Moro, Denis Snower, Robert Solo, Alfred Steinherr, and Paolo Sylos Labini. 1999. “An Economist’s Manifesto on Unemployment in the European Union”. Journal of Income Distribution® 8 (2). https://doi.org/10.1016/S0926-6437(99)00006-2.