Barthel, Jens (2008): Can age discrimination be justified with a lower productivity of older workers? Unpublished.
Barthel, Jens (2007): Environmental policy in dynamic models with pollution by consumers: The greening and blackening of preferences. Unpublished.
Barthel, Jens (2007): Environmental policy in dynamic models with pollution by consumers: The impact of exogenous shocks and dozy politicians. Unpublished.
Barthel, Jens (2005): Environmental policy in dynamic models: The impact of the elasticity of substitution if consumers pollute. Unpublished.
