SHAREHOLDER-MANAGEMENT CONFLICT AND EVENT RISK COVENANTS

Event risk covenants (ERCs), such as poison puts, can protect bondholders from losses related to highly leveraged transactions. Previous observers argue that managers could use ERCs primarily to benefit shareholders or to entrench, and the evidence on the shareholder wealth effects of ERCs is conflicting. Using data not previously exploited and an innovative method of isolating the wealth effects of ERCs, we find that ERCs decrease shareholder wealth. Additional evidence suggests that firms with greater shareholder-management conflict are more likely to use ERCs. Overall, the evidence from this study supports the entrenchment view of ERCs.     

THE ECONOMICS OF - WHEAT PRODUCTION IN MOROCCO

A representative farm policy impact model was developed using linear programming and primary survey data. The model was used to estimate farm-level effects of proposed national government policies aimed at increasing food security through greater bread wheat production. The four policy options analysed included the introduction of a bread wheat variety resistant to an insect pest, an increase in the official bread wheat support price, potentially unlimited availability of nitrogen fertiliser, and rationing of nitrogen fertiliser at 500 kg per farm. The various policies increased farm income between 2.45 and 18 percent, as farmers made trade-offs between the production of bread wheat and the more profitable durum wheat. Adjustments were made by farmers in the model to meet government-targeted levels of bread wheat production in order to support national food self-sufficiency at minimum cost. Simultaneously, the resources freed were used to produce more durum wheat. The results suggest a need to analyse interregional and international comparative advantages in wheat production prior to implementing proposed policies aimed at increasing bread wheat output.     

Volatility and trading demands in stock index futures

In this study we examine how volatility and the futures risk premium affect trading demands for hedging and speculation in the S&P 500 Stock Index futures contracts. To ascertain if different volatility measures matter in affecting the result, we employ three volatility estimates. Our empirical results show a positive relation between volatility and open interest for both hedgers and speculators, suggesting that an increase in volatility motivates both hedgers and speculators to engage in more trading in futures markets. However, the influence of volatility on futures trading, especially for hedging, is statistically significant only when spot volatility is used. We also find that the demand to trade by speculators is more sensitive to changes in the futures risk premium than is the demand to trade by hedgers. © 2003 Wiley Periodicals, Inc. Jrl Fut Mark 23:399–414, 2003     

Learning to talk engineering design: Results from an interpretive study in a Grade 4/5 classroom

This study reports on students' engineering-related discourses before and after a unit which focused on children's development of tool-related and discursive practices in the domain of structural engineering. Video-and audiotaped small and large-group interviews, student-produced artifacts, and videotaped small and large group activities in a mixed Grade 4/5 class constituted the data sources. Comparison of students' engineering-related images and talk before and after the instructional unit revealed considerable differences. The study has implications for the design of learning environments in which developing language-inuse is fostered rather than parroting teacher-and textbook-framed definitions.     

A cost-benefit analysis of a public labelling scheme of fish quality

The purpose of this paper is to introduce a new method capable of evaluating the economic welfare for quality graded fish products using the hedonic price method for plaice in Denmark. Today, no labelling scheme exists for the final consumers of different qualities of fish. A scheme only exists at the first hand market. On this basis, a general applicable, theoretical and empirical method is developed to compare the costs and benefits of the hypothetical choice between the total absence of labelling and the presence of a public labelling scheme, which fully informs consumers on the quality and simultaneously allows the producers to differentiate prices between quality grades. It is shown that the economic welfare associated with a public labelling scheme is at minimum €263,000. Sensitivity analysis shows that this result is robust. The policy implication is that a public labelling scheme should not be implemented as the demand and cost functions have low elasticities, implying that the welfare gain is low.     

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