Tariff-Rate Quota Liberalization: The Case of World Price Uncertainty and Supply Management

This paper examines the options for liberalizing tariff-rate quotas when a marketing board controls domestic production and international prices are stochastic. Lowering over-quota tariff and increasing import quota volumes are not equivalent. The trade-offs between the two types of trade reforms are examined through numerical simulations for the Canadian chicken industry. Introducing world price variability results in a distribution of welfare impacts for the different groups in the industry. Consumers and processors gain more with tariff liberalization than with increased import quotas. The difference in producer surplus between liberalization regimes is truncated so that producers only see down-side risk under the tariff liberalization regime.
Le présent article a examiné les options concernant la libéralisation des contingents tarifaires lorsqu'un office de commercialisation encadre la production nationale et que les prix internationaux sont stochastiques. Diminuer le taux de droit hors contingent et augmenter les volumes de contingent d'importation ne sont pas des options équivalentes. Nous avons examiné les deux types de réforme commerciale en effectuant des simulations numériques pour le secteur du poulet au Canada. Incorporer la variabilité du prix mondial provoque une distribution de répercussions sur le bien-être des divers groupes du secteur. Les consommateurs et les transformateurs gagnent davantage en appliquant une libéralisation des droits hors contingent qu'en appliquant une augmentation des contingents d'importation. La différence quant au surplus des producteurs entre les régimes de libéralisation est tronquée de sorte que les producteurs ne voient que le risque de perte sous un régime de libéralisation tarifaire.     

Infrastructure implications of a green economy transition in the Western Cape Province of South Africa: A system dynamics modelling approach

In order to meet future goals in reducing the resulting carbon emissions from transport networks, vast investment in the development of a more energy-efficient and sustainable infrastructure is required. This study investigates the infrastructure implications of a green economy transition in the Western Cape Province of South Africa with a particular focus on the transport sector. Utilising a system dynamics modelling approach, the research effort aimed to improve understanding of how technical, economic, political, social, and environmental factors interact, particularly in the context of the uncertainties encountered during this transition. The key findings of the research indicate that investment in a better public transport system, as well as shifting the movement of freight onto the rail network, would deliver long-term positive effects, including a possible carbon emission reduction of up to 17.89%.     

Book Reviews

Francois Ruf and P.S. Siswoputantro (eds), Cocoa Cycles: The Economics of Cocoa Supply, Woodhead Publishing, Ltd, Cambridge UK, 1995, pp. xi + 384.

Rainer Rohdewohld, Public Administration in Indonesia, MONTECH (Monash University), Melbourne, 1995, pp. 179 + x, npg.

Colin Brown (ed.), Indonesia: Dealing with a Neighbour, Allen & Unwin, Sydney, 1996, pp. xiii + 202.

Thomas P. Tomich, Peter Kilby and Bruce F. Johnston, Transforming Agrarian Economies: Opportunities Seized, Opportunities Missed, Cornell University Press, Ithaca and London, 1995, pp. xx + 474, Paper.

T, van Rheenen, Quantifying Farming Systems: A Multiple Optimization Approach: A Case Study in the Limestone Area of East Java, Mansholt Studies 6, Wageningen Agricultural University, Wageningen, 1996, pp ix + 145, Paper.     

Sickness, absenteeism, presenteeism, and sick pay

The annual cost of absenteeism from the workplace in the UKhas been estimated to be over 1% of GDP. The traditional approachto a discussion of absence has been for the firm to passivelyaccept both wages and sick pay and allow workers to choose theirabsence behaviour. Most empirical research has been based onthis approach. However, if absence is costly why should firmspay extra-statutory sick pay? One reason may be the phenomenaof presenteeism (ill workers attending work). This may adverselyaffect productivity. This paper shows that allowing for presenteeismhas important implications for both the design of optimal wage-sickpay contracts and for the interpretation of empirical studies.Specifically, we show that firms will offer a level of sickpay greater than the statutory minimum.     

THE DEVELOPING FRAMEWORK FOR THE ECONOMIC EVALUATION OF FORESTRY IN THE UNITED KINGDOM — A COMMENT

The application of Kula's sum of discounted consumption flows method to forestry investment gives a more favourable result than NPV, but leads to some curious consequences. In particular, the immediate future generation may not be provided with a timber resource by the present generation, while being expected to provide such a resource for its own successors. The method does not in fact treat future generations equitably: downward revision of the social discount rate, possibly to zero, is a better means of achieving this objective.