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Trevor Davies Roger Elmer 《International Journal of Technology and Design Education》2001,11(2):163-180
The paper introduces the highly problematic nature of modelling in design and technology education and examines the relationship
between cognitive and concrete modelling. Its aim is to gain insight into what learners do, rather than what others say they
ought to do in their learning activities. The variety of purposes that educators have for learners’ modelling are discussed
through examining the contested curriculum justification for design and technology education itself. The paper proposes that
learners’ modelling cannot be extracted from the social milieu in which they act and it provides some insights of these social
influences through the analysis of two case studies. Their settings are a girls’ secondary school and a college of higher
education. Each case study is presented independently but organised with a common format to consider a) the impact of assessment
on learning intentions and outcomes; b) cultural influences on learning and modelling; c) social influences on learning and
modelling. A discussion of the emergent themes considers implications for teachers.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
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This paper examines the restructuring of the former Soviet economy provoked by the break-up of the USSR and the creation of the Commonwealth of Independent States. Particular attention is devoted to the changes taking place in the former All-Union enterprises that have now essentially become new multinationals. The pressures influencing the two parallel developments of internalization and divestment are examined and illustrated using two case studies. © 1993 John Wiley & Sons, Inc. 相似文献
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Paul Humphreys George Huang Trevor Cadden Ronan McIvor 《Journal of Purchasing & Supply Management》2007,13(1):42-52
It has been found from the contemporary research in the fields of supply chain management and concurrent engineering that significant benefits can be achieved if suppliers are involved in product development. However, recent investigations in manufacturing industries have revealed that early supplier involvement in the design process is not widely practiced. One issue is the lack of an appropriate customer–supplier interface to assess the suitability of suppliers with reference to design criteria. This paper proposes a mechanism for evaluating supplier involvement during product development. The assessment tool includes four types of distinctive indices to measure supplier involvement in the design process, namely: Satisfaction Index, Flexibility Index, Risk Index, and Confidence Index. These indices measure the extent to which both the customer requirements and the supplier capabilities match or mismatch and therefore reflect the potential or risk of signing a project contract. The proposed methodology is discussed within a multinational telecommunications company and preliminary analysis indicates that the approach provides an effective mechanism for selecting suppliers involved in the product development process. 相似文献
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William C. Hunter James A. Verbrugge David A. Whidbee 《Journal of Financial Services Research》1996,10(3):235-271
This article examines failure rates in de novo S&Ls that initiated operations during the 1980–1986 period. Overall failure rates are similar to those for existing institutions but are found to vary significantly by location, time of charter, and organizational form. Both univariate tests and results from a probability-of-failure model indicate that inadequate capital, economic stress, poor management of higher risk lending allowed by broader powers, and operating inefficiencies contributed significantly to the likelihood of failure. Use of brokered funds and rapid asset growth are also significantly related to failure likelihood. Interestingly, for those S&Ls which eventually failed, rapid asset growth and high proportions of nonperforming assets actually delayed the timing of their failure. We interpret this to be the result of regulatory forbearance. We also find significant differences between the financial characteristics of de novo and non-de novo S&Ls. 相似文献
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One way for multinationals to manage their exposures to foreign currency fluctuations is by matching the currencies of costs and revenues, a practice sometimes referred to as "natural hedging." Proponents of this risk-management technique argue that matching currencies decreases profit variability.
Using the example of a U.S. firm competing with a French firm for sales in France, the authors analyze the desirability of the U.S. firm's matching currencies of costs and revenues by sourcing in France rather than in the U.S. They find that in such settings with limited competition, while matching reduces profit variability, it also causes a reduction in expected profitability–a potential drawback that appears to have been overlooked in previous discussions.
The authors demonstrate that the U.S. firm, by choosing not to match currencies, retains the strategic flexibility to adjust its prices and quantities in order to exploit the competitive cost differentials caused by exchange rate shifts. The expected profit effects of matching depend on the tradeoff between expected cost savings, if any, of sourcing abroad versus the reductions in expected profits due to the loss of strategic flexibility . They argue that the benefits of strategic flexibility associated with sourcing in the U.S. can yield an increase in expected profits that may outweigh the cost savings and hedging benefits of currency matching. 相似文献
Using the example of a U.S. firm competing with a French firm for sales in France, the authors analyze the desirability of the U.S. firm's matching currencies of costs and revenues by sourcing in France rather than in the U.S. They find that in such settings with limited competition, while matching reduces profit variability, it also causes a reduction in expected profitability–a potential drawback that appears to have been overlooked in previous discussions.
The authors demonstrate that the U.S. firm, by choosing not to match currencies, retains the strategic flexibility to adjust its prices and quantities in order to exploit the competitive cost differentials caused by exchange rate shifts. The expected profit effects of matching depend on the tradeoff between expected cost savings, if any, of sourcing abroad versus the reductions in expected profits due to the loss of strategic flexibility . They argue that the benefits of strategic flexibility associated with sourcing in the U.S. can yield an increase in expected profits that may outweigh the cost savings and hedging benefits of currency matching. 相似文献
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