Continuous mean demand functions derived from non-convex preferences

In this paper we show that for a large subset of utility functions in the space of all C¹ utility functions and for all prices the mean demand of those consumers whose taste is represented by a given utility function in that subset is uniquely determined. This implies that for a large set of economies mean demand is a continuous function. Our analysis uses derivatives of first and of higher order. The result is essentially a consequence of the multijet transversality theorem.     

Staatliche Aktivität,wirtschaftliche Entwicklung,Preisniveau und Beschäftigung

Ohne ZusammenfassungBeim vorliegenden Beitrag handelt es sich um einen veränderten Teil der unveröffentlichten Habilitationsschrift (Preisniveaustabilität im Wirtschaftswachstum?) des Verfassers. Dieser dankt Herrn Prof. Dr. L. Phlips (Freiburg/Schweiz) für die Durchsicht des Manuskripts.     

Ethical Guidelines for British Accountancy

An initial review of the Draft Guidance produced in response to the Cadbury Report by the Institute of Chartered Accountants in England and Wales. The author is Principal Consultant, Corporate Social Responsibility Consultants, 86 Iffley Road, London W6 OPF.     

LIVESTOCK PRODUCTION POLICIES AND MEAT PROCESSING MARGINS: THE CASE OF NEW ZEALAND, 1967-1988*

The New Zealand export meat industry has been through a considerable number of changes in the 1980s. The deregulation of export slaughter facilities, Supplementary Minimum Prices, Producer Board intervention, declining livestock numbers and domestic cost pressures have all affected the performance of the domestically based processing sector. Major changes in market access and demand have influenced off-shore marketing operations, particularly for sheepmeats. Additionally, there has been a change in the type of meat exported with a greater proportion of further processed product shipped in recent years. As an example of the impact of these developments on livestock producers, the producer share of the United Kingdom wholesale market return for a representative prime lamb carcase has fallen from 40 per cent in 1978 to 25 per cent in 1988. In this article the pattern of intervention in the New Zealand pastoral meat industries from the mid-1960s is detailed, emphasising the different environments of the beef and sheepmeat enterprises. Then the principal factors influencing domestic processing margins for these products are empirically examined. Alternative model specifications and alternative estimation techniques are compared and contrasted. The results of these analyses are discussed in terms of the historical patterns of assistance and structural change, and in terms of current rationalisation pressures on the meat processing sector.     

Application of primitive sets to multi-criteria optimization problems

In this paper we generalize the concept of efficiency in multi-criteria problems from being the property of a point to that of a set of points. This generalization permits a variety of solution concepts to these problems. The uniqueness of solution distinguishes this approach from the usual concept of efficiency.     

Über die Methoden der Vaterschaftsbegutachtung

Zusammenfassung Die Vaterschaftsbegutachtung kann als Test zwischen zwei einfachen Hypothesen angesehen werden. Dabei unterscheiden sich die einzelnen Methoden vor allem in der Wahl des Prüfma?es und des Wahrscheinlichkeitsmodells. Die bisher in der Literatur ver?ffentlichten Methoden werden nach diesem Gesichtspunkt eingeordnet und k?nnen dadurch besser miteinander verglichen werden.

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Summary The expert examination of a case of disputed paternity can be regarded as a test between two simple hypotheses. The individual test methods used differ from one another mainly in the choice of test statistic and of probability model. The methods hitherto published in the literature are here classified under these two headings and can thus be better compared one with another.