全文获取类型
收费全文 | 771篇 |
免费 | 34篇 |
专业分类
财政金融 | 183篇 |
工业经济 | 73篇 |
计划管理 | 158篇 |
经济学 | 141篇 |
综合类 | 5篇 |
运输经济 | 7篇 |
旅游经济 | 9篇 |
贸易经济 | 135篇 |
农业经济 | 24篇 |
经济概况 | 70篇 |
出版年
2023年 | 3篇 |
2021年 | 3篇 |
2020年 | 16篇 |
2019年 | 18篇 |
2018年 | 18篇 |
2017年 | 16篇 |
2016年 | 11篇 |
2015年 | 12篇 |
2014年 | 26篇 |
2013年 | 142篇 |
2012年 | 25篇 |
2011年 | 23篇 |
2010年 | 27篇 |
2009年 | 27篇 |
2008年 | 23篇 |
2007年 | 30篇 |
2006年 | 25篇 |
2005年 | 21篇 |
2004年 | 21篇 |
2003年 | 24篇 |
2002年 | 26篇 |
2001年 | 17篇 |
2000年 | 20篇 |
1999年 | 24篇 |
1998年 | 20篇 |
1997年 | 15篇 |
1996年 | 11篇 |
1995年 | 8篇 |
1994年 | 13篇 |
1993年 | 14篇 |
1992年 | 10篇 |
1991年 | 12篇 |
1990年 | 6篇 |
1989年 | 7篇 |
1988年 | 6篇 |
1987年 | 4篇 |
1986年 | 4篇 |
1985年 | 4篇 |
1984年 | 14篇 |
1983年 | 10篇 |
1982年 | 5篇 |
1980年 | 3篇 |
1979年 | 6篇 |
1978年 | 6篇 |
1977年 | 3篇 |
1976年 | 3篇 |
1975年 | 3篇 |
1971年 | 3篇 |
1969年 | 2篇 |
1967年 | 3篇 |
排序方式: 共有805条查询结果,搜索用时 31 毫秒
1.
The Effect of Concept Formulation on Concept Test Scores 总被引:1,自引:0,他引:1
While concept testing is a mainstay of the new product development process, there is little empirical evidence on the variation in consumer responses due to alternative concept formulations, particularly for those tests undertaken early in the product development process. The present study addressed this gap in the literature by using a split sample mail survey to compare stripped, embellished, and visual concept formulations for five heterogeneous product concepts. It was found that respondents' answers to attitude and purchase intention questions showed only minor variation with different formulations of the concept test statement. It also was found that the ranking of the concepts showed no substantial changes across the different formulations. Therefore, the type of concept statement formulation may not be that important, at least for early ranking tasks performed before experiential prototypes are available. Early concept tests therefore may be carried out using stripped concept statements. This may reduce costs, allowing organizations to undertake early concept testing more frequently across a wider range of products. 相似文献
2.
Clive W. J. Granger 《Oxford bulletin of economics and statistics》2003,65(Z1):689-701
The paper asks the question – as time series analysis moves from consideration of conditional mean values and variances to unconditional distributions, do some of the familiar concepts devised for the first two moments continue to be helpful in the more general area? Most seem to generalize fairly easy, such as the concepts of breaks, seasonality, trends and regime switching. Forecasting is more difficult, as forecasts become distributions, as do forecast errors. Persistence can be defined and also common factors by using the idea of a copula. Aggregation is more difficult but causality and controllability can be defined. The study of the time series of quantiles becomes more relevant. 相似文献
3.
When the indemnity schedule is contingent on the farmer's price and individual yield, an optimal crop revenue insurance contract depends only on the farmer's gross revenue. However, this design is not efficient if, as is the case with available contracts, the coverage function is based on imperfect estimators of individual yield and/or price. The producer's degree of prudence and the extent of basis risks have important influences on the optimal indemnity schedule. In this broader context, optimal protection is not provided by available U.S. crop insurance contracts and may include combinations of revenue insurance, yield insurance, futures, and options contracts. 相似文献
4.
We examine the determinants of establishment performance in the UK, using cross‐sectional data from the 1998 Workplace Employee Relations Survey to replicate research by Fernie and Metcalf (1995) who used data from the 1990 Workplace Employee Relations Survey; specifically, we test whether employee representation, contingent pay and efforts to boost employee participation affect a set of economic and industrial relations outcome indicators in the manner they suggest. We also re‐estimate the influential WERS90‐based study of Machin and Stewart (1996) on the links between union status and financial performance. In both cases we report very different results. 相似文献
5.
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
6.
7.
Sophie Manigart Veroniek Collewaert Mike Wright Sarika Pruthi Andy Lockett Hans Bruining Ulrich Hommel Hans Landstrom 《The International Entrepreneurship and Management Journal》2007,3(1):109-125
We examine the neglected area of internationalisation by VCs. Using a representative sample of 195 VCs, we show that the decision
of a European VC firm to invest internationally is driven by its human resources. Having more VC executives in general and
more VC executives with previous international experience in specific, results in a higher probability of investing internationally.
In contrast, more VC executives with experience in the VC industry or with an engineering background lead to a higher probability
of remaining domestic. 相似文献
8.
Peter Wright Mark Kroll Peng Chan Karin Hamel 《Journal of the Academy of Marketing Science》1991,19(3):245-254
Competing theories on internal orientation versus external orientation are examined. The relevant theories are amalgamated
and condensed into a number of competing propositions that are empirically tested. The findings suggest that the internally
oriented businesses as well as the externally oriented businesses underperform the efficient, marketing oriented businesses. 相似文献
9.
Summary. Simple search models have equilibria where some agents accept money and others do not. We argue such equilibria should not be taken seriously. This is unfortunate if one wants a model with partial acceptability. We introduce heterogeneous agents and show partial acceptability arises naturally and robustly. There can be multiple equilibria with different degrees of acceptability. Given the type of heterogeneity we allow, the model is simple: equilibria reduce to fixed points in [0,1]. We show that with other forms of heterogeneity equilibria are fixed points in set space, and there is no method to reduce this to a problem in R1.Received: 4 September 2002, Revised: 23 September 2002JEL Classification Numbers:
C78, E40.A. Shevchenko, R. Wright: We thank seminar participants at the Federal Reserve Bank of Cleveland, Indiana University, Purdue University, University of Toronto, the 2002 Midwest Macroeconomics Conference at Vanderbilt University, and the 2001 Conference on Economic Dynamics at the University of Essex. The National Science Foundation and the Federal Reserve Bank of Cleveland provided financial support. Braz Ministerio de Camargo and Gabriel Camera provided some helpful suggestions. Correspondence to: R. Wright 相似文献
10.
Risk and Capital Structure in the Regulated Firm 总被引:1,自引:0,他引:1
This paper studies the role of capital structure in a regulated firm. We show that it affects the prices set by the regulator, the expected price being lower the higher the proportion of debt finance. However, when debt is increased beyond a certain level, the benefit of lower expected prices is offset by their increased variability. We also study the socially preferred capital structure. This is such that consumers carry some risk, in the form of higher prices in adverse economic conditions. 相似文献