This paper criticises the standard methodology used to measure the importance of different channels of risk sharing in federal states such as the one used in Asdrubali et al.'s (1996) seminal contribution. It argues that the methodology chosen in these papers systematically underestimates the...

In this paper we show that both climate models and economic models studying the effects of climate change are characterized by high uncertainty. Hence, far reaching policy implications such as the net zero goal lack a definite scientific foundation. Neverthelss, it cannot be excluded that the...