Stuart. Comparing Economic Systems: A Political-Economic Approach. Harcourt College Pub. October 1988: 7. ISBN 978-0155124035. Pure socialism is defined
Anomalies: The Endowment Effect, Loss Aversion, and Status Quo Bias (PDF). The Journal of Economic Perspectives (American Economic Association). 1991, 5 (1):
sets brake particles emissions limits (PM10) for cars and vans (3mg/km for pure electric vehicles; 7mg/km for most internal combustion engine (ICE), hybrid