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51.
We examine the lead‐lag relation between index futures and the underlying index under three types of short‐selling restrictions on stocks in Hong Kong. Our results indicate that lifting short‐selling restrictions can enhance the informational efficiency of the stock market relative to the index futures. We also investigate the impact of two market characteristics, market conditions and the magnitude of mispricing on the lead‐lag relations under different short‐selling regimes. Our findings suggest that if we remove restrictions, the contemporaneous price relation between the futures and cash markets becomes stronger particularly in the falling market and when the cash market is relatively overpriced. 相似文献
52.
Chris DeBresson Giorgio Sirilli Xiaoping Hu Fung Kwan Luk 《Economic Systems Research》1994,6(2):135-158
An ‘innovative activity matrix’ is established from a recent ISTAT/CNR survey of innovation. After specifying the particularities of an innovative activity matrix in comparison with other flow matrices, we show that it is asymmetrical and clustered in parts of economic space. The structure of the innovative activity matrix is similar to that of the domestic and import requirement but not the capital flow matrix. Strong correlations indicate the following: that input–output analysis is useful for identifying the location of innovative activities in economic space; that it can be analyzed in an economically meaningful way; that its location is structured; and that, furthermore, it is structured in ways which are statistically related to economic activity. The paper ends with suggestions for the examination of possible causal relationships. 相似文献
53.
54.
Vassilios Tatsis Carlos Mena Luk N. Van Wassenhove Linda Whicker 《Journal of Purchasing & Supply Management》2006,12(2):63-74
Most empirical research on e-procurement has focused on large economies and technology-related industries, paying little attention to smaller economies and traditional industries. This paper addresses this gap by presenting a study on the state and development of e-procurement in the Greek food and drink industry, based on four case studies with some of the largest organisations in the industry. This study indicates that the uptake of e-procurement has been slow and reveals some important impediments, such as the uncertainty of the technology and its benefits, the lack of infrastructure and skills and the traditional nature of the industry. These results led to a series of findings, propositions for further investigation. The drivers and impediments to e-procurement have been classified into four different levels: global, country, industry and firm. Each of these levels requires a different approach to dealing with it, having implications for practitioners and policymakers. 相似文献
55.
This paper discusses the issue of integrating various decision levels in hierarchical production planning systems. First the theory is briefly reviewed and then two case studies are presented. It is argued that it is not sufficient to have a good decision model at every level of the decision hierarchy. The different models should be carefully integrated. The potential problems resulting from a lack of integration are discussed. These problems are then illustrated in two case studies in order to be able to focus on actual managerial issues. It is shown how different decision levels supported by decision models were integrated in these two applications. Two important features are the crucial role of crossfunctional managerial committees in the integration process and the introduction of slack to avoid disaggregation problems.We do not claim to be exhaustive in presenting the problems related to integration nor do we claim that the solutions to the cases are the best possible ones. We do, however, hope that this paper motivates production managers to take a serious look at their hierarchical planning procedures. 相似文献
56.
57.
The propensity of the forecasts of sell-side financial analysts to converge (or diverge) is a function of their exogenous and endogenous selective attention and overconfidence. When returns are negative, the endogenous form of selective attention—a static measure of analysts’ goal-driven attention at a particular point in time—has a positive association with convergence. The exogenous form of selective attention—a relatively involuntary dynamic process of exogenous attentional shift driven by external changes in the market over time—is associated with a tendency for forecasts to diverge. 相似文献
58.
This paper attempts to investigate empirically the investment-growth relationship in China. Using the exogeneity framework pioneered by Engle et al. (1983) and Engle and Hendry (1993), we find that fixed investment is a key determinant of China's economic growth, which, surprisingly, has not been rigorously examined in the literature. The super exogeneity test results suggest that there exists a robust (or structurally invariant) relationship between capital formation and income growth, thereby giving credence to policy evaluation. 相似文献
59.
Bank Risk, Capitalization, and Operating Efficiency 总被引:1,自引:0,他引:1
A simultaneous equation framework is used to test hypotheses about the interrelationships among bank interest rate and credit risk-taking, capitalization, and operating efficiency. A positive effect of inefficiency on risk-taking was found and supports the moral hazard hypothesis that poor performers are more vulnerable to risk-taking than high performance banking organizations. A positive effect of inefficiency on the level of capital is attributable to regulatory pressure on underperforming institutions. At the same time, firms with more capital are found to operate more efficiently than less well-capitalized banking organizations. A U-shaped relationship is detected between inefficiency and loan growth, indicating that operating efficiency improves at a decreasing rate as loan growth rate increases. This supports the hypothesis that entrenched managers who pursue a growth objective to enhance their own wealth tend to operate inefficiently. 相似文献
60.
K. C. Fung Andréa M. Maechler 《The journal of international trade & economic development》2013,22(1):53-69
Abstract While a large body of literature examines the environmental impact of trade on the environment, this discussion focuses largely on the context of inter-industry trade. Empirical evidence has long suggested that an increasing share of international trade takes the form of intra- rather than inter-industry trade. In an attempt to fill this gap, the present paper uses a price-setting duopoly model of intra-industry trade to highlight the environmental consequences of trade liberalization when oligopolistic rivalry rather than comparative advantage drives international trade. We find that the environmental impact of trade liberalization depends mostly on two factors, namely, on the nature of pollution (i.e. whether it is local, transboundary or global) and on which country liberalizes trade (i.e. whether it is the ‘clean’ country or the ‘dirty’ country). 相似文献