This paper presents simple conditions for monopoly third-degree price discrimination to have negative or positive effects on aggregate consumer surplus.  Consumer surplus is often reduced by discrimination, for example when total welfare (consumer surplus and profits) falls.  Surplus increases...

In partial equilibrium a rapidly rising carbon tax encourages oil producers to extract fossil fuels more quickly, giving rise to the Green Paradox. General equilibrium analysis for a closed economy shows that a rapidly rising carbon tax negatively affects the interest rate, which tends to weaken...

The principles of how best to manage the various components of national wealth are outlined, where the permanent income hypothesis, the Hotelling rule and the Hartwick rule play a prominent role. As far as managing natural resource wealth is concerned, a case is made to use an intergenerational...

Many oil exporters accumulate large sovereign wealth funds, though their portfolio allocation does not take into account below-ground assets, like oil. Similarly, the above-ground portfolio does not affect the decision to extract oil. This paper shows that subsoil oil wealth should change a...

In this paper we use a dynamic structural life-cycle model to analyze the employment, fiscal and welfare effects induced by unemployment insurance.  The model features a detailed specification of the tax and transfer system, including unemployment insurance benefits which depend on an...

I show that the fiscal position of the UK means it will be very hard for the next government to allow the undergraduate fee cap to increase beyond the rate of inflation.  The funding postion of the higher education sector can be improved by the government removing the interest rate subsidy it...

Contemporaries and historians have highlighted London's position as the world's leading financial centre, and its dominance of both trade financing and international capital investment at this time.  The current historical literature focuses on the presence of the London Stock Exchange and...

Risk-neutral individuals take more risky decisions when they have limited liability.  Risk-neutral managers may not when acting as agents under contract and taking costly actions to acquire informatin before taking decisions.  Limited liability makes it optimal to increase the reward for...

The interwar years saw the rise of New York to challenge London as the world's leading provider of financial services.  This paper will show that the current explanations fail to identify a key factor in New York's rise.  The City was prevented from operating a full capacity by a capital...