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41.
College instructors and students participated in a pilot project at the University of Akron to enhance student learning through the use of a common teaching pedagogy, peer instruction. The teaching pedagogy was supported by the use of technology, an electronic personal response system, which recorded student responses. The authors report their experiences in using this technology-enhanced teaching pedagogy and provide another example of an active and collaborative learning tool that instructors can use to move beyond “chalk and talk.” Preliminary survey results from students participating in this pilot project are also reported. 相似文献
42.
We consider strategic trade policy when a high‐cost and a low‐cost firm belonging to two different countries compete in quantities in a third country, and technology is transferable via licensing. We characterize the effects of subsidies on (i) licensing payments—a new source of rents, (ii) the decision to license, and (iii) the subsidy bill difference (compared to when licensing is infeasible). We find that, in the presence of licensing, optimal strategic trade policy has several interesting features. For example, even under Cournot competition, optimal policy can be an export tax instead of an export subsidy. Also, unlike results in strategic trade policy with asymmetric costs, we find that optimal export subsidies are not necessarily positively related to the cost‐competitiveness of firms. In other words, governments need not necessarily favor “winners” when licensing is possible. Furthermore, there exist parameterizations such that a government, if it can, might ban licensing. 相似文献
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44.
Platform Sharing in a Differentiated Duopoly 总被引:1,自引:0,他引:1
Platform sharing across manufacturers has become common practice in the automobile industry. Although platform sharing reduces the degree of product differentiation, manufacturers can reduce their procurement costs by taking advantage of the commonality of components. We investigate this trade-off through analyzing a model that incorporates manufacturer–supplier relationships into a differentiated duopoly model, and find an interesting inverse relationship between the advantage of platform sharing and manufacturers' costs to communicate with their potential suppliers. We also explore welfare consequences of the Internet trading exchanges by considering an extension that allows the manufacturers to jointly establish a business-to-business electronic marketplace. 相似文献
45.
Dipak Ghosh 《Bulletin of economic research》1985,37(1):69-73
This note examines the nature of underlying production function to Kaldor's technical progress function. It has been found that in the context of disequilibrium between planned savings and investment the history of capital accumulation becomes crucial. 相似文献
46.
Generalized linear mixed models are widely used for analyzing clustered data. If the primary interest is in regression parameters, one can proceed alternatively, through the marginal mean model approach. In the present study, a joint model consisting of a marginal mean model and a cluster-specific conditional mean model is considered. This model is useful when both time-independent and time-dependent covariates are available. Furthermore our model is semi-parametric, as we assume a flexible, smooth semi-nonparametric density of the cluster-specific effects. This semi-nonparametric density-based approach outperforms the approach based on normality assumption with respect to some important features of 'between-cluster variation'. We employ a full likelihood-based approach and apply the Monte Carlo EM algorithm to analyze the model. A simulation study is carried out to demonstrate the consistency of the approach. Finally, we apply this to a study of long-term illness data. 相似文献
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48.
A significant source of child-care services in East and South-East Asia are provided by immigrant maids. Using a modified version of the model used in Galor and Weil (1996), the present paper analyses the impact of this source of child-care services on women's labor market participation, fertility behavior and the household purchase of child-care services. The results show that a lower price for the maid service leads to a lower savings rate, a higher demand for children and less time being spent with children. We also find that hiring immigrant maids leads to lower economic growth in the long run. 相似文献
49.
Avijit Ghosh 《Journal of Business Research》1984,12(4):425-436
The question of spatial nonstationarity in retail choice models generally has been ignored in the literature. This paper discusses why such nonstationarity might arise and presents an empirical test of nonstationarity in grocery choice data collected from a midwestern city. Based on these findings a nonstationarity retail choice model is proposed. The nonstationary model predicts data from a hold-out sample better than the stationary model. 相似文献
50.
ABSTRACT In this paper we study economic news, as reflected in the announcements of the United States trade balance by the Commerce department, to illustrate the importance of revised data versus preliminary data to economic agents. A new methodology has been developed here to study how agents in the exchange market respond to these monthly trade balance announcements and consequently, move the dollar's exchange rate. In contrast to previous studies where agent reactions to only preliminary trade figures were analyzed, this method is applied to examine market reactions to the preliminary and revised trade balance figures. 相似文献