全文获取类型
收费全文 | 565篇 |
免费 | 10篇 |
专业分类
财政金融 | 106篇 |
工业经济 | 39篇 |
计划管理 | 104篇 |
经济学 | 115篇 |
综合类 | 9篇 |
运输经济 | 1篇 |
旅游经济 | 3篇 |
贸易经济 | 124篇 |
农业经济 | 8篇 |
经济概况 | 65篇 |
邮电经济 | 1篇 |
出版年
2023年 | 4篇 |
2021年 | 7篇 |
2020年 | 7篇 |
2019年 | 10篇 |
2018年 | 9篇 |
2017年 | 20篇 |
2016年 | 9篇 |
2015年 | 8篇 |
2014年 | 11篇 |
2013年 | 64篇 |
2012年 | 18篇 |
2011年 | 29篇 |
2010年 | 17篇 |
2009年 | 17篇 |
2008年 | 13篇 |
2007年 | 12篇 |
2006年 | 10篇 |
2005年 | 13篇 |
2004年 | 12篇 |
2003年 | 14篇 |
2002年 | 12篇 |
2000年 | 7篇 |
1999年 | 9篇 |
1998年 | 5篇 |
1997年 | 6篇 |
1996年 | 9篇 |
1995年 | 7篇 |
1994年 | 7篇 |
1993年 | 7篇 |
1991年 | 5篇 |
1990年 | 6篇 |
1988年 | 4篇 |
1987年 | 7篇 |
1986年 | 8篇 |
1985年 | 8篇 |
1984年 | 11篇 |
1983年 | 10篇 |
1982年 | 9篇 |
1981年 | 12篇 |
1980年 | 10篇 |
1979年 | 12篇 |
1978年 | 10篇 |
1977年 | 11篇 |
1976年 | 9篇 |
1975年 | 7篇 |
1973年 | 8篇 |
1972年 | 8篇 |
1971年 | 5篇 |
1968年 | 3篇 |
1967年 | 5篇 |
排序方式: 共有575条查询结果,搜索用时 15 毫秒
1.
The New Growth Theory and Coasean Economics: Institutions to Capture Externalities. — This paper presents the main theoretical arguments which lead many adherents of the New Growth Theory to the conclusion that externalities in research and development are important for economic growth and warrant government subsidies. In contrast, the authors point to private institutions like associations, company structures and industry clusters which can capture such externalities. An international comparison of private R&;D investment and special features of institutions in Switzerland and Japan are in line with this hypothesis. Thus, the argument for R&;D subsidies made by the New Growth Theory is considerably reduced. 相似文献
2.
Approaches to child labour in the supply chain 总被引:3,自引:0,他引:3
This paper examines the difficulties of dealing with child labour in the supply chain. It begins by identifying a number of the factors which make global supply chains so difficult to manage. It goes on to outline a framework of different approaches that can be taken to managing the supply chain with relation to child labour, moving from national and international regulation, through to the role of NGOs and the companies themselves. Focusing on an 'engagement' strategy for dealing with child labour, the paper traces a case study of Adidas-Salomon and its attempts to implement their 'standards of engagement' in this area with relation to one of their supplier factories in Vietnam. The research draws on the direct involvement of one of the authors who visited the site and was able to interview staff and observe the operation in practice. Her findings are supported by wider work on the implementation of corporate approaches to human rights at a range of companies interviewed by another of the authors. The paper aims to highlight the issues needing to be addressed for companies considering the 'involvement' approach to child labour. It also aims to develop theory on our understanding of different approaches to corporate rights. 相似文献
3.
Summary In this paper we consider a class of time discrete intertemporal optimization models in one dimension. We present a technique to construct intertemporal optimization models with nonconcave objective functions, such that the optimal policy function coincides with any pre-specifiedC
2 function. Our result is a variant of the approach presented in a seminal paper by Boldrin and Montrucchio (1986). Whereas they solved the inverse problem for the reduced form models, we address the different question of how to construct both reduced and primitive form models. Using our technique one can guarantee required qualitative properties not only in reduced, but also in primitive form. The fact that our constructed model has a single valued and continuous optimal policy is very important as, in general, nonconcave problems yield set valued optimal policy correspondences which are typically hard to analyze. To illustrate our constructive approach we apply it to a simple nonconcave model.We are grateful for the helpful comments of L. Montrucchio, K. Nishimura, T. Mitra and an anonymous referee. Financial support of the Austrian Science Foundation under contract No. P7783-PHY and No. J01003-SOZ is gratefully acknowledged. This paper was written while M. Kopel was visiting the Department of Economics, Cornell University. 相似文献
4.
Herbert Dawid 《Journal of Evolutionary Economics》1996,6(4):361-373
We analyze the learning behaviour of a Simple Genetic Algorithm in an overlapping generations model with one consumption
good and fiat money. It is shown by simulations, that in cases where periodic equilibria exist the equilibrium of period two
is learned by a Genetic Algorithm and not the monetary steady state. We further show that proper coding leads to convergence
of the GA towards the sunspot equilibrium. If individuals who believe in the impact of sunspots are brought together with
individuals who ignore the sunspots, the sunspot believes will in most cases drive the other individuals out of the population. 相似文献
5.
This paper focuses on a direct quantitative identification of crisis periods in selected emerging stock markets from four continent-based regions of Europe, Latin America, East Asia, and Middle East and North Africa (MENA), in the context of an influence of the 2007 U.S. subprime financial crisis. The 17 emerging stock markets and, for comparison, the U.S. stock market are investigated. A statistical method of dividing market states into bullish and bearish markets, based on monthly logarithmic returns of major stock market indexes, is employed. The analyzed sample period begins in January 2003 and ends in December 2013. As there is no unanimity in the literature about the crisis periods in the continent-based regions, a formal statistical identification of crises is worthwhile to conduct. Furthermore, the effect of increasing cross-market correlations in the crisis compared to the pre-crisis period in the context of contagion is examining. To address this issue, both standard contemporaneous cross-correlations and volatility-adjusted cross-correlations are applied. The results are consistent with the literature and confn'm that tests for contagion based on cross-market correlations are problematic due to the bias introduced by changing volatility in market returns. As contagion can be confused with globalization, the globalization tests in the group of international investigated markets are employed. The results generally do not confirm a global world market integration effect, i.e. there is no reason to reject the research hypothesis of no globalization during the 2007-2009 financial crisis. 相似文献
6.
7.
The main goal of both Bayesian model selection and classical hypotheses testing is to make inferences with respect to the
state of affairs in a population of interest. The main differences between both approaches are the explicit use of prior information
by Bayesians, and the explicit use of null distributions by the classicists. Formalization of prior information in prior distributions
is often difficult. In this paper two practical approaches (encompassing priors and training data) to specify prior distributions
will be presented. The computation of null distributions is relatively easy. However, as will be illustrated, a straightforward
interpretation of the resulting p-values is not always easy. Bayesian model selection can be used to compute posterior probabilities for each of a number of
competing models. This provides an alternative for the currently prevalent testing of hypotheses using p-values. Both approaches will be compared and illustrated using case studies. Each case study fits in the framework of the
normal linear model, that is, analysis of variance and multiple regression. 相似文献
8.
Herbert Kyeyamwa Stijn Speelman Guido Van Huylenbroeck John Opuda-Asibo Wim Verbeke 《Agricultural Economics》2008,39(1):63-72
Farmers in sub‐Saharan Africa are constrained by large transaction costs associated with marketing of their livestock. However, transaction costs are often not taken into account in the analysis of factors hampering the development of livestock marketing in this region. This article empirically measures the influence of transaction costs on the offtake from cattle grazed on natural rangelands in Uganda. The study is based on the monitoring of 696 cattle transactions in three districts of Uganda from August 2004 to August 2005. The estimated models suggest that proportional transaction costs represented by the state of roads, distance to markets, and time taken to reach the market are important variables constraining market participation. In order to raise offtake from the national herd, it is essential to explicitly address these costs. One potential solution is collective action in marketing of livestock in which proportional and fixed transaction costs are reduced and shared among the group members. 相似文献
9.
10.
Improving the speed of adoption of agricultural technologies and farm performance through farmer groups: evidence from the Great Lakes region of Africa 下载免费PDF全文
John Herbert Ainembabazi Piet van Asten Bernard Vanlauwe Emily Ouma Guy Blomme Eliud Abucheli Birachi Paul Martin Dontsop Nguezet Djana Babatima Mignouna Victor M. Manyong 《Agricultural Economics》2017,48(2):241-259
The article examines the effect of membership in farmer groups (MFG) on adoption lag of agricultural technologies and farm performance in Burundi, the Democratic Republic of Congo and Rwanda. We use duration and stochastic production frontier models on farm household data. We find that the longer the duration of MFG, the shorter the adoption lag and much more so if combined with extension service delivery. Farmer groups function as an important mechanism for improving farm productivity through reduced technical inefficiency in input use. We discuss policy implications under which farmer groups are a useful channel to reduce adoption lag, and the means through which improved farm performance can be achieved. 相似文献