In order to estimate labour supply responses among older people we have employed a very simple model of retirement decisions that can be estimated on a single cross-section sample, and still be given a structural interpretation in terms of inter-temporal decisions. The model is estimated on...

The Spanish Influenza pandemic of 1918-19 was one of the most devastating diseases in history, killing perhaps as many as 50-100 million people worldwide. In addition to the high death toll and the high general lethality, the disease had a peculiar feature: the largest increase in death rates...

We analyse retailer and household behaviour on the Norwegian electricity market, based on detailed information on prices and other market characteristics. We find that there exists a competitive market segment where a number of retailers compete fiercely for customers, with small margins on all...

Using a computable equilibrium model, we examine the short-run effects of a radical liberalisation of the West European natural gas and electricity markets. In each model country, oil, gas, coal and electricity are produced, traded and consumed. There are world markets for oil and coal, and...

We consider the effects of vertical integration on the performance of long-term and spot markets when spot prices are uncertain and agents are risk averse. We find that vertical integration impairs market performance by increasing the gap between contract and (expected) spot prices. This holds...

The European Union has introduced directives that aim to liberalize and integrate electricity and gas markets in Western Europe. While progress has been made, particularly in electricity markets, there have been setbacks: for example, because of concerns about national interests and security of...

In 2007, the Norwegian government reformed the vehicle registration tax in order to reduce the carbon intensity of the new car fleet by incentivizing the purchase of more fuel efficient cars. This paper identifies the impact of the new tax structure on three main dimensions: (i) the average CO2...