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61.
Due to the high uncertainty characterizing them, transition economies provide an extraordinary opportunity to test the precautionary saving hypothesis. This paper represents an attempt to exploit this opportunity. We use a panel of 2,346 Muscovite households, over the 12 months of 1996, to construct two time‐varying measures of consumption growth variability, which we use as proxies for households’ perceived uncertainty. We then regress household saving on these uncertainty variables using a GMM‐system estimator. We find that both uncertainty measures generally have a positive and statistically significant effect on saving. This result, which is robust to the use of different measures of saving, supports the precautionary saving hypothesis. 相似文献
62.
Rosanna Spanò Alessandra Allini Marco Maffei Annamaria Zampella 《Technology Analysis & Strategic Management》2019,31(6):720-731
This paper deepens the countervailing relationship between control and innovation in highly innovative networks. It adopts a middle range theory perspective [Broadbent and Laughlin, 2013. Accounting Control and Controlling Accounting: Interdisciplinary and Critical Perspectives. 1st ed. Bingley: Emerald Group] integrated with the quintuple helix model (Carayannis and Campbell, 2010. “Triple Helix, Quadruple Helix and Quintuple Helix and How Do Knowledge, Innovation and the Environment Relate To Each Other?.” International Journal of Social Ecology and Sustainable Development 1 (1): 41–69] to explore how control and innovation interact and shape each other in the contexts of high complexity and intensive knowledge creation, towards the satisfaction of accountability demands by stakeholders. The research relies upon two case studies and reveals what are the factors positively shaping the interaction between innovation and control towards greater accountability. We document that successful changes are facilitated by the implementation of adequate and innovative informal control devices favouring collaborative relationships, reinforcing innovation and shared knowledge and capabilities within the organisation. The findings are relevant to all complex settings involved in multifaceted processes of producing knowledge and innovation. 相似文献
63.
Alessandra Carleo Francesco Cesarone Andrea Gheno Jacopo Maria Ricci 《Decisions in Economics and Finance》2017,40(1-2):115-143
Expected utility theory is nowadays accepted as the standard for rational choice among risky assets. However, as Harry Markowitz recently pointed out, the problem of how the maximum expected utility along the risk–return portfolio efficient frontiers approximates the exact maximum expected utility is still open. This paper shows that some popular risk–return models are actually able to approximate expected utility maximization with respect to classical and new distance measures. It also analyzes the ability of the whole risk–return efficient frontiers to approximate the exact one. Our empirical analysis is based on recent publicly available real-world data sets. 相似文献
64.
Alessandra D'Amico Finardi 《Decisions in Economics and Finance》1980,3(2):73-81
Il presente studio prende in esame il CAPM e ne illustra i principali approcci teorici più recenti; soprattutto in questi ultimi anni, infatti, l'argomento ha attirato l'attenzione degli studiosi in campo finanziario e si presenta ancora molto interessante per i possibili sviluppi futuri. Senza esaurire l'argomento, che comporterebbe una trattazione molto ampia e una molteplicità di modelli a questo collegati, è parso utile ripercorrere l'iter logico e cronologico di questa teoria al fine di osservare come da un modello relativamente semplice sia stata a poco a poco enucleata tutta una serie di importanti problemi collaterali.
Lavoro svolto nell'ambito della ricerca CNR n. 78.00551.10. 相似文献
This paper reviews the theoretical literature on the CAPM, considering the most important and recent approaches.Actually this model has been studied and developed very much in the financial field and further applications can be obtained in the future. The logical and historical development of the CAPM has been here the perspective to observe this theory, without exhausting the literature in this field, so the main aim is to present the relevant importance of the actual theory and some important problems which come from that.
Lavoro svolto nell'ambito della ricerca CNR n. 78.00551.10. 相似文献
65.
Gianni De Fraja Alessandra Staderini 《International Journal of the Economics of Business》1996,3(1):57-67
The paper studies the behaviour of four oligopolistic firms in the Italian coffee market. We study whether their behaviour is better represented by Bertrand behaviour or by collusive pricing. We also investigate the role of advertising in product differentiation. 相似文献
66.
Financial constraints have been found to play an important role on various aspects of firm behavior. Yet, their effects on firm survival have been largely neglected. We use a panel of 61,496 UK firms over the period 1997–2002 to study the effects of financial variables on firms' failure probabilities, differentiating firms into globally engaged and purely domestic. Estimating a wide range of specifications, we find that lower collateral and higher leverage result in higher failure probabilities for purely domestic than for globally engaged firms. This can be seen as evidence that global engagement shields firms from financial constraints. 相似文献
67.
Fashion is widely considered as one of the most polluting and destructive industries to the environment and is a resource-intensive industry in which opportunities to reduce environmental impacts abound. By relying on an exploratory approach, this paper features an investigation into the circular economy (CE) practices of four purposefully selected Italian fashion companies. The study endorses the overlooked perspective of the product lifecycle (vis-à-vis the business model perspective), consistent with the key principles of the CE, to provide a comprehensive picture of CE practices implemented. This study engages with the current debate on the relationship between the concepts of sustainability and CE, supporting the idea that there is a beneficial relation between the two. The analysis shows the emergence of categories of CE-related practices as well as CE implementation challenges. The study also provides granular insights into the nature of these challenges that hinder the implementation of CE and demonstrates how they can be turned into sources of competitive advantage. Drawing on this emblematic evidence, we develop a set of theoretical and managerial implications. 相似文献
68.
Alessandra Colombelli 《Economics of Innovation and New Technology》2013,22(7):585-610
The paper investigates the patterns of persistence of innovation and of the properties of firms’ knowledge base (KB) across a sample of Italian firms in the period 1998–2006. The analysis draws upon a theoretical representation of knowledge as a collective good, stemming from the recombination of knowledge bits that are fragmented and dispersed across economic agents. On this basis, we derived properties of the KB like the coherence, the cognitive distance and the variety, and investigated their patterns of persistence over time. The empirical analysis is implemented by exploring the autocorrelation structure of such properties within a quantile regression framework. The results suggest that the properties of knowledge are featured by somewhat peculiar patterns as compared with knowledge stock, and that such evidence is also heterogeneous across firms in different quantiles. 相似文献
69.
Abstract Current mainstream wisdom portrays the young British-Bangladeshi community as underachieving in education. However, this study suggests that young British-Bangladeshi women tend to be high achievers in education. This research interrogates the multifaceted experiences of British-Bangladeshi women students to better understand the contested nature of their transition from educational achievement to labor market participation. The analysis draws on a combination of fieldwork done in two colleges in East London and Leeds in 2007 and secondary data collected by the Higher Education Statistical Agency on students who graduated from British higher education institutions in 2006. Although it focuses on the reality of young British-Bangladeshi women, the study shows that – especially for certain ethnic minorities – the absence of social resources, social networks, and egalitarian class relations can hamper the process of making good on educational achievements. 相似文献
70.
Alessandra Ferrari 《Applied economics》2013,45(18):2121-2130
The UK internal market was one of the first European attempts to introduce a competitive mechanism in the provision of hospital services. The assumption was that competition would have led hospitals to increase efficiency in the use of their resources. The aim of this paper is to analyse the effectiveness of this kind of reform by measuring the changes in technical efficiency of a panel of 52 acute Scottish hospitals observed from 1991/92 to 1996/97. The time period covers the whole duration of the internal market and the sample contains a different mix of both trusts and non-trusts, where the former embed the proper working of the reform. The selected model is a stochastic output distance function that includes an interaction dummy variable to allow for parameters to change over time. The results show a structural break after which hospitals change not only the way in which they provide their services, but also the kind of services they provide, favouring the quicker treatment of patients on a day basis. No significant improvement in technical efficiency is detected instead over time, nor any significant difference in efficiency between trusts and non-trusts. 相似文献