Why are some cities specialised and others diversified? What are the advantages and disadvantages of urban specialisation and diversity? To what extent does the structure of cities, and the activities of the firms and people in them, change over time? How does the sectoral composition of cities...

We develop a model of hierarchies based on the allocation of authority. A firm's owners have ultimate authority over a firm's decisions, but they have limited time or capacity to exercise this authority. Hence owners must delegate authority to subordinates. However, these subordinates also have...

This paper focuses on IT-enabled credit risk modernisation in commercial retail banking. The empirical material is based upon a longitudinal case study conducted during 1993–1996 using an interpretive approach. It documents the introduction of a leading-edge computer-based decision support...

The purpose of this paper is to identify the organisational comparative advantage of NGOs, and to develop a model which explains the set of circumstances uder which they emerge and dominate other types of firms. It is argued that the potential superiority of NGOs derives from two features: (1)...

The existence of a negative relationship between cartel stability and the level of excess capacity in an industry has for a long time been the dominant view in the traditional IO literature. Recent supergame-theoretic contributions (e.g. Brock and Scheinkman, 1985) appear to show that this view...

The estimation of the intergenerational correlation of incomes is usually carried out by proxying permanent incomes using suitable indicators of economic status, and by treating the resulting measurement error problem using averaging or instrumenting procedures. Here we take the permanent income...

Recently many philosophers and social choice theorists have questioned traditional welfare egalitarianism by introducing a notion of responsibility. They propose to distinguish between two sets of individual characteristics: those for which individuals are to be kept responsible and those for...

Bewley's condition on production sets, imposed to ensure the existence of an equilibrium price density when L? is the commodity space, is weakened to allow applications to continuous-time problems, and especially to peak-load pricing when the users' utility and production function are Mackey...

This paper describes our case study based research exploring the shift from traditional ‘open-outcry’ to electronic trading in the major futures Markets in London and Chicago. We outline the emergence of electronic trading in these Markets, with the aim of examining the influences that will...

At the heart of any distributional analysis there is the problem of allowing for differences in people's non-income characteristics. We examine the role of standard equivalence scales in distributional comparisons and the welfare implications of the basis for constructing equivalence scales. We...