Electricity spot prices are subject to transitory sharp movements commonly referred to as spikes. The paper aims at assessing their effects on model based inferences and predictions, with reference to the Nord Pool power exchange. We identify a spike as a price value which deviates substantially...

The universal Scandinavian welfare model offers generous tax financed social benefits. The scheme is associated with workfare elements as a targeting device to direct benefits to those considered deserving. Thereby social insurance and egalitarian outcomes are achieved while work incentives and...