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In this paper we show how the Kolm triangle method, which is a standard tool for visualizing allocations in a public good economy, can also be used to provide a diagrammatical exposition of matching mechanisms and their effects on public good supply and welfare. In particular, we describe, on the one hand, for which income distributions interior matching equilibria result, and on the other hand, for which income distributions the agents voluntarily participate in a matching mechanism. As a novel result, we especially show that the “participation zone” is larger than the “interiority zone”

We employ the Kolm triangle approach, which has – compared to most other graphical methods for representing allocations in a public good economy – the advantage that it allows for showing the aggregate budget constraint, the levels of considered agents' private consumption, and the level of public good supply directly in the same diagram.

The Kolm triangle method can be used to visualize important effects of matching in an elegant way, so basically the increase of public good supply through matching. The interiority of matching depends on the income distribution and especially, on how the “interiority zone” is shrinking when the matching rate increases. Moreover, we were able to delimit the “participation zone” in the Kolm triangle. An important and novel insight is that the participation zone is larger than the interiority zone, which means that also corner matching equilibria in which only one agent makes a positive flat contribution to the public good may make both considered agents better off.

Corner matching equilibria in which only one agent makes a positive flat contribution to the public good may improve all considered agents' welfare. How this welfare effect can be generalized to the case of different utility functions and matching rates will be an issue of future research.

The examined matching mechanism finds application in many policy fields where public good undersupply is pending. International climate policy is one of these fields of application, for example.

The Kolm triangle method has been particularly helpful to describe the Nash equilibrium in the case of non-cooperative public good provision and to compare this outcome with Pareto efficient public good allocations. Furthermore, the Kolm triangle approach facilitates the analysis of mechanisms for attaining an efficient public good allocation like the Lindahl equilibrium as well as the study of preconditions and limitations faced by such mechanisms. An important and novel insight of our study is that the participation zone is larger than the interiority zone.

People experiencing homelessness often have complex needs requiring a range of support. These may include health problems (physical illness, mental health and/or substance misuse) as well as social, financial and housing needs. Addressing these issues requires a high degree of coordination amongst services. It is, thus, an example of a wicked policy issue. The purpose of this paper is to examine the challenge of integrating care in this context using evidence from an evaluation of English hospital discharge services for people experiencing homelessness.

The paper undertakes secondary analysis of qualitative data from a mixed methods evaluation of hospital discharge schemes and uses an established framework for understanding integrated care, the Rainbow Model of Integrated Care (RMIC), to help examine the complexities of integration in this area.

Supporting people experiencing homelessness to have a good discharge from hospital was confirmed as a wicked policy issue. The RMIC provided a strong framework for exploring the concept of integration, demonstrating how intertwined the elements of the framework are and, hence, that solutions need to be holistically organised across the RMIC. Limitations to integration were also highlighted, such as shortages of suitable accommodation and the impacts of policies in aligned areas of the welfare state.

The data for this secondary analysis were not specifically focussed on integration which meant the themes in the RMIC could not be explored directly nor in as much depth. However, important issues raised in the data directly related to integration of support, and the RMIC emerged as a helpful organising framework for understanding integration in this wicked policy context.

Integration is happening in services directly concerned with the discharge from hospital of people experiencing homelessness. Key challenges to this integration are reported in terms of the RMIC, which would be a helpful framework for planning better integrated care for this area of practice.

Addressing homelessness not only requires careful planning of integration of services at specific pathway points, such as hospital discharge, but also integration across wider systems. A complex set of challenges are discussed to help with planning the better integration desired, and the RMIC was seen as a helpful framework for thinking about key issues and their interactions.

This paper examines an application of integrated care knowledge to a key complex, or wicked policy issue.

This paper attempts to develop a simple, static model of tax administration that is capable of explaining the widespread collusive petty tax administration corruption observed in developing countries.

This paper utilizes a positivist research framework and adopts a theoretical method of analysis, although secondary data will also be mentioned to support theoretical arguments whenever it is appropriate to do so.

A high rate of collusive tax corruption is inevitable in developing countries.

The model is static and needs to be extended into a dynamic model.

Traditional enforcement tools such as higher audits or a higher penalty regime against tax evasion do not work. Tax simplification can lessen the incidence of tax corruption.

Fighting tax corruption requires significant changes in the attitudes of taxpayers and tax auditors.

This paper combines the literature on Kantian economics and tax compliance in an innovative fashion.

Several explanations for the Royal African Company’s failure around the turn of the eighteenth century have been suggested. The paper argues that these reasons can be integrated into a more comprehensive account of the company’s failure through the introduction of a modified version of principal-agent theory. Instead of focusing on abstract, dyadic relationships, the paper proposes a model that accounts for the meaningful character of principal agent interactions and for the complex networks and multiple role identities of actors within those networks that comprised principal-agent relations within the company. On the basis of this model the failure of the company can be seen as a result of contradictions between its dual role as both agent and principal. The symbolic importance of inefficient trading practices helps to explain why the company was unable to pursue alternative strategies or otherwise benefit from its monopoly.

In this chapter, we present fragments of previously unpublished correspondence between Ludwig Lachmann and G. L. S. Shackle on the nature of institutions. This correspondence allows us to rationally reconstruct a theory of institutions, which extends Lachmann’s theoretical work. Shackle pointed out to Lachmann that institutions might be inputs into economic activities and that they themselves may be reproduced and transformed by these activities. Lachmann in turn contended that institutions consist of “instruments of interpretation.” We develop the concept of “instruments of interpretation” as a subset of institutions. These instruments are mental models and cognitive tools which are (1) inputs complementary to capital goods (2) jointly produced, reproduced, and transformed through economic activity. We suggest that in contrast to privately produced capital goods, parts of the institutional infrastructure are produced jointly as shared goods because the use of certain institutional elements is non-exclusive and non-subtractable; these elements – instruments of interpretation – are produced and reproduced by sharing and contributions through a process of joint production. This chapter explicitly connects two different but essential themes in Lachmann’s work: capital, and institutions. By combining these two strands of Lachmann’s work, we are able to demonstrate that there is a cross-complementarity between institutional orders and capital structures. This connection in turn provides a thicker understanding of the workings of markets.

THE activity of librarianship during September was almost breathless. Visitors to Chaucer House in the third week of the month had possibly the most cosmopolitan experience of their lives. It was, as our readers know, the assembly time of the International Federation of Librarians, which divided its London meetings between Chaucer House and the equally hospitable University College. The members, coming from a score or more of countries east and west, had, many of them, been present at the successful and crowded conference of Aslib at Ashorne, and were now conferring further, and being entertained by the Library Association, together with members of the Unesco Library School. That school spent its first week in Manchester, with a tour of Derby County libraries; its second week was in London. Amongst the guests at the reception given by the British Council at Portland Place, and at the L.A's own reception at Chaucer House three days later, many distinguished librarians were met, including Dr. Munthe, Dr. Sevensma, Dr. Ranganathan, the state librarian of Ankara, the University Librarians of Istanbul, Copenhagen, Trondhjem, of Alexandria; and many others, including those of England and Scotland, the Chief Keeper of the Printed Books, Bodley's Librarian, and the Librarian of the National Central Library. Moreover, as these gatherings coincided with the meeting of the Library Association Council, the official leaders of the profession were present, including the President (Mr. Nowell).

WE offer our readers good wishes for 1939. We hope that every kind of library may be allowed in peace to pursue its development for the spreading of good reading, to the end that enlightenment and with it wisdom may prevail amongst our millions of readers. We hope too that it will be another year of progress in service, in good and deftly‐employed technique, in the development of the will to make libraries interesting, attractive, useful and indeed inevitable and essential to all men. For librarians we hope it may be a further stage in the promotion of their profession, of growth of their own faith in it, and of increase in the willingness of those who employ librarians in municipalities, counties, colleges and other places to recognize training and service with better pay, prospects and status. We know that appreciation will not give greater willingness to serve; we do know it will give greater happiness.