Economics and the law from posner to post-modernism Nicholas Mercuro and Steven G. Medema Princeton University Press, 1997, 235 pp.

This overview presents the core elements of the different perspectives on the varied traditions within law and economics. One perspective considers what economics has to offer the law. This includes the microeconomic analytic framework based on self-interest to predict and evaluate the actions of consumers and firms (in traditional microeconomic analysis), voters and their elected representatives (in public choice theory), common law and settlements, torts and injury law (the Chicago school of law and economics), and contract law (in neoinstitutional transaction cost and agency issues).     

China's One‐Child Policy and ‘the Mystery of Missing Women’: Ethnic Minorities and Male‐Biased Sex Ratios*

Recent estimates suggest that as many as 40 million women are ‘missing’ in China. We exploit a special provision in the Chinese one‐child policy (OCP; allowing for preferential treatment of ethnic minority groups) to revisit the mystery of these missing women, and in particular to explore the contribution of China's OCP in distorting sex ratios. Our results imply that preference for boys is the main driver of the gender gap, and that the OCP is responsible for about half of it. This is true even before ultrasound technologies for prenatal gender determination were available. Not surprisingly, interaction between the OCP and ultrasound technologies has contributed to the gender gap.     

Predicting Organizational and Union Commitment: The Effect of Industrial Relations Climate

Research evidence from North America shows that employees can be committed simultaneously to both their union and their company. Moreover, a co-operative industrial relations climate has been seen to be conducive to the existence of higher levels of commitment to both organizations. This study utilized a sample of white-collar unionists in Australia to identify whether union and company commitment could be predicted by the same factors and whether positive perceptions of the industrial relations climate were related to dual commitment. The research found no evidence of dual commitment. Furthermore, company and union commitment were predicted by different factors, and employee perceptions of a co-operative industrial relations climate were associated with higher employee commitment to the company but lower commitment to the union.     

Disruptive Technology Reconsidered: A Critique and Research Agenda

The popular work by Clayton Christensen and colleagues on disruptive technology serves as a springboard to examine five key issues concerning the effect of technological change on firms and industries. This article challenges and integrates current theory in this domain, and raises questions to initiate new work. The discussion is organized around the following themes: the definition of disruptive technology, the predictive use of the theory of technological disruption, explaining the success of incumbents, the implications of the theory for the merits of being customer-oriented, and the merits of creating a spin-off to commercialize the disruptive technology. Examination of these themes shows the relationship of the disruptive technology work with research in a variety of related areas. Many of these links have not been made explicit before, and several of them have been misunderstood. This article is intended to encourage further research on disruptive technology and spur debate by practitioners and scholars alike.     

Futures markets,price stabilization and efficient exploitation of exhaustible resources

Markets for natural resource futures contracts and cash forward contracts experience a rapid growth. According to theory, this should result in more efficient resource depletion, implying that price formation is more consistent with Hotelling's rule. The rationale of this stabilization effect is briefly discussed. Next, we analyze the impact of expanding futures markets on the behaviour of individual resource owners trading on the cash market. Using a simple pulse extraction model, we demonstrate that the expected time of depletion can shift to the present or the future, and that utility of exploitation can go up or down, as market prices are stabilized.     

The dynamics of product innovation and firm competences

This study examines how product innovation contributes to the renewal of the firm through its dynamic and reciprocal relation with the firm's competences. Field research in five high‐tech firms of varying age, size, and level of diversification is combined with analysis of existing theory to develop the findings of the study. Based on the notion that new products are created by linking competences relating to technologies and customers, a typology is derived that classifies new product projects based on whether a new product can draw on existing competences, or whether it requires competences the firm does not yet have. Following organizational learning theory, these options are conceptualized as exploitation and exploration. These organizational learning concepts are used to gain a dynamic and path‐dependent view of product innovation and firm development, and to reveal the unique nature and challenges of different types of product innovation. Copyright © 2002 John Wiley & Sons, Ltd.     

Modelling hydroclimatic uncertainty and short‐run irrigator decision making: the Goulburn system*

Australia has an incredibly variable and unpredictable hydroclimate, and while irrigation is designed to reduce risk, significant uncertainty remains in both seasonal water availability (‘allocations’) and irrigation crop water requirements. This paper explores the nature and impacts of seasonal hydroclimatic uncertainty on irrigator decision making and temporary water markets in the Goulburn system in northern Victoria. Irrigation and water trading plans are modelled for the three seasons of the irrigation year (spring, summer and autumn) via discrete stochastic programming, and contrasted against a perfect information base case. In water‐scarce environments, hydroclimatic uncertainty is found to be costly, in terms of both the efficiency of irrigation decisions and the allocation of water via the water market.     

Index Number Concepts,Measures and Decompositions of Productivity Growth

This paper explores the definitions and properties of total factor productivity growth (TFPG) indexes, focusing especially on the Paasche, Laspeyres, Fisher, Törnqvist, and implicit Törnqvist ones. These indexes can be evaluated from observable price and quantity data, and certain of these are shown to be measures of TFPG concepts and theoretical indexes that have been proposed in the literature. The mathematical relationships between these and quantity aggregates, financial measures, and price and quantity indexes are explored. Decompositions of the productivity growth indexes are also given. The paper concludes with a brief overview of some limitations on our analysis.