Evaluating the economic significance of downward nominal wage rigidity

The existence of downward nominal wage rigidity has been abundantly documented, but what are its economic implications? This paper demonstrates that, even when wages are allocative, downward wage rigidity can be consistent with weak macroeconomic effects. Firms have an incentive to compress wage increases as well as wage cuts when downward wage rigidity binds. By neglecting compression of wage increases, previous literature may have overstated the costs of downward wage rigidity to firms. Using micro-data from the US and Great Britain, I find that the evidence for the compression of wage increases when downward wage rigidity binds. Accounting for this reduces the estimated increase in aggregate wage growth due to wage rigidity to be much closer to zero. These results suggest that downward wage rigidity may not provide a strong argument against the targeting of low inflation rates.     

Tenure security and productivity in small‐scale agriculture in Zimbabwe: Implications for South Africa

This article tests empirically the interaction between land tenure security and agricultural productivity in small‐scale agriculture in Zimbabwe. Data for the analysis were gathered during April and August of 1995 by means of an interview survey of farmers in the small‐scale commercial sector, communal area and Model A resettlement area of Zimbabwe. Two‐stage least squares regression estimates reveal that land tenure security has a positive and significant influence on investment incentives and agricultural productivity in the sample. This result has two important implications for proposed land reforms in South .. Africa. Firstly, the result lends support to the notion that indigenous tenure institutions in communal areas of South Africa are a constraint on agricultural development. Secondly, it is clear that a national land redistribution policy must be accompanied by innovative tenure institutions which facilitate economic interaction and internalise externalities on land resettled by individuals and groups. This is particularly important in South Africa where groups of up to 300 families are being settled on commercial farms under a group ownership model.     

Hal Hill Steps Down—and up. Head of the Indonesia Project,ANU, 1986–98 Editor of BIES, 1990–98

Hal Hill is known as an eminent authority on the Indonesian economy. He is an astonishingly productive scholar. He continues as an imaginative and highly successful head of the ANU's Indonesia Project and Editor of its journal. He is constantly sought after abroad as Visiting Professor, participant in conferences and contributor to research projects (June 1997).     

Identifying Macroeconomic Linkages to U.S. Agricultural Trade Balance

This study explores the short-run and long-run relationships between the U.S. agricultural trade balance and domestic macroeconomic aggregates and agricultural variables. We use cointegration analysis and a vector error-correction model with quarterly data for 1981–2003. The results show that, in the long run, the exchange rate, agricultural price, and disposable income are weakly exogenous in the U.S. agricultural sector and have significant effects on the trade balance. The combined short-run dynamic effects of the exchange rate, agricultural price and production, and the disposable income jointly explain changes in the trade balance.
La présente étude porte sur les liens à court et à long terme entre la balance commerciale agricole des États-Unis, les agrégats macroéconomiques et les variables agricoles. Nous avons utilisé une analyse de cointégration et un modèle vectoriel à correction d'erreur comprenant des données trimestrielles de 1981 à 2003. Les résultats ont montré que, à long terme, le taux de change, les prix agricoles et le revenu disponible sont faiblement exogènes dans le secteur agricole des États-Unis et qu'ils ont des effets substantiels sur la balance commerciale. Les effets dynamiques à court terme combinés du taux de change, des prix et de la production agricoles ainsi que du revenu disponible expliquent les changements observés dans la balance commerciale.     

Restrictive Practices in South Africa's Labour Market

Dr Stanley Siebert, of the University of Birmingham, complements Professor Williams' analysis with a detailed history of the measures South African whites have adopted to safeguard their privileged position in the South African economy.     

Multiplant MRP

Many manufacturing firms have multiple manufacturing plants, located in geographically diverse parts of the world. This situation is becoming more common, as firms establish new plants in foreign countries to take advantage of low labor cost. In such cases, it is not unusual for the firm to retain production capability of certain key parts in a backup plant, with the necessary equipment and trained workforce in place. High volume production could be obtained relatively quickly from the backup plant in case of an emergency at the main supplying plant. In such multiplant settings, the transportation costs are significant. Throughout this paper, we use the term “multisourced parts” to describe parts produced in more than one location.Material Requirements Planning (MRP) is the component of a total manufacturing control system that is designed to manage inventory and plan orders for parts and material with dependent demand (demand derived from the demand of other items). Most of the literature on MRP systems discusses MRP methodology in a single-plant environment. Most MRP software systems in use today are single-plant systems.Currently, it is common for firms with multiple plants treated as cost centers to use an independent single-plant MRP system for each and handle the transshipment problems manually. Because of lack of coordination of production schedules between supplying and demanding plants, those firms hold more inventory and experience longer lead times than necessary to compensate for uncertainties in schedules and supply policies.The purpose of this article is to enhance single-plant MRP systems for coping with multiplant situations in which: the plants are regarded as cost centers, there exist multisourced parts, and the transportation costs are significant. The multiplant MRP system should recognize that parts are produced in different plants, make offset calculations for in-transit lead times, and consider transportation costs when establishing production requirements and shipping routes for multisourced parts. The objective is, beginning with the corporate-determined master schedule for finished products, to communicate in one planning cycle time-phased planned order release schedules and shipping/delivery schedules to each manufacturing plant producing components for the finished products.We first present a simplified framework for the multiplant MRP system, where a transportation algorithm is incorporated into the MRP logic. Then we refine this simplified framework to handle more complex aspects of a multiplant network. These complexities include the treatment of requirements that are not shipped on time and the regeneration of new MRP schedules. We also observe that the solution to the transportation problem described above is affected by the lot-sizing rules employed. In addition, we discuss several important issues and decisions that confront a firm when implementing a multiplant MRP system.     

The Altrurian Economics of William Dean Howells

A bstract . In two of his novels , A TRAVELER FROM ALTRURIA and THROUGH THE EYE OF THE NEEDLE, William Dean Howells describes the ideal commonwealth of Australia where the production and distribution of goods and services do not occur in self-regulating markets such as those found in Western-world economies. Thus, traditional economic theories are limited in analyses of the Australian economy, and critics are hampered in their efforts to understand Howelis'Utopia. This study synthesizes Howells'criticisms of the harshness of 19th-century American capitalism as presented in the two novels and then analyzes the economic structure of Australia by using Karl Polanyi's framework for studying non-market societies. This framework includes the concepts of reciprocity, redistribution , and administered trade.