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101.
Using data from both the National Longitudinal Survey of Youth (NLSY) and High School and Beyond (HSB), we investigate if public high schools differ in the “production” of earnings and if rates of return to future education vary with public high school attended. Given evidence of such variation, we seek to explain why schools differ by proposing that standard measures of school “quality” as well as proxies for community characteristics can explain the observed parameter variation across high schools. Since analysis of widely‐used data sets such as the NLSY and HSB necessarily involves observing only a few students per high school, we employ an exact finite sample estimation approach. We find evidence that schools differ and that most proxies for high school quality play modest roles in explaining the variation in outcomes across public high schools. We do find evidence that the education of the teachers in the high school as well as the average family income associated with students in the school play a small part in explaining variation at the school‐level. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
102.
We study a Cournot industry in which each firm sells multiple quality‐differentiated products. We use an upgrades approach, working not with the actual products but instead with upgrades from one quality to the next. The properties of single‐product models carry over to the supply of upgrades, but not necessarily to the supply of complete products. Product line determinants and welfare results are presented. Strategic commitment to product lines is considered; firms may well choose to compete head‐to‐head. 相似文献
103.
Menkes J 《Harvard business review》2005,83(11):100-9, 167
Yes, it's nice when a leader is charismatic and confident. And a great resume can tell you a lot about a person's knowledge and experience. But such assets are no substitute for sheer business intelligence, and they reveal very little about a leader's ability to consistently reach the "right" answer. How can hiring managers flag individuals with such smarts? Historically, the only reliable measure of brainpower has been the standard IQ test, which is rarely used in business settings because of the specific subjects it tests for-math, reading, and spatial reasoning-and because of its multiple-choice format. Despite its shortcomings, the standard IQ test is still a better predictor of managerial success than any other assessment tool companies currently use, Justin Menkes argues. It's true that there isn't a version of IQ testing that applies to the corporate world, but in rejecting IQ tests altogether, hiring managers have thwarted their own attempts to identify true business stars. The author defines the specific subjects that make up "executive intelligence"-namely, accomplishing tasks, working with people, and judging oneself. He describes how to formulate questions to test job candidates for their mastery of these subjects, offering several examples based on real situations. Knowledge questions, such as those used in standard behavioral interviews, require people to recite what they have learned or experienced; intelligence questions call for individuals to demonstrate their abilities. Therefore, the questions in an executive intelligence test shouldn't require specific industry expertise or experience; any knowledge they call for must be rudimentary and common to all executives. And the questions should not be designed to ask whether the candidate has a particular skill; they should be configured so that the candidate will have to demonstrate that skill in the course of answering them. 相似文献
104.
The Role of Shocks and Institutions in the Rise of European Unemployment: the Aggregate Evidence 总被引:10,自引:0,他引:10
Two key facts about European unemployment must be explained: the rise in unemployment since the 1960s, and the heterogeneity of individual country experiences. While adverse shocks can potentially explain much of the rise in unemployment, there is insufficient heterogeneity in these shocks to explain cross-country differences. Alternatively, while explanations focusing on labour market institutions explain current heterogeneity well, many of these institutions pre-date the rise in unemployment. Based on a panel of institutions and shocks for 20 OECD nations since 1960 we find that the interaction between shocks and institutions is crucial to explaining both stylised facts. 相似文献
105.
Justin van de Ven 《Economic Modelling》2011,28(4):2054-2070
A structural model of the household is described that represents current best-practice in the analysis of savings and labour supply responses to the policy environment. Care has been taken in specifying the model so that it represents an appropriate basis for the analysis of incentive effects to policy change, and for exploring the empirical support for alternative structural assumptions. Matching the model to survey data for the UK reveals some interesting puzzles in relation to the timing of retirement. 相似文献
106.
Incumbent firms are often thought to focus on incremental innovations and only respond to a major technological change once its impact on established markets and/or dominant designs becomes clear. We argue, however, that incumbent firms have many reasons to proactively invent early in cycles of technological change. Our interest is in the strategies that allow incumbents to be successful in this endeavor during the infancy of an emerging field—the period before it is clear how the field will affect dominant designs. Our evidence counters the stereotypical view that incumbent firms play a passive role in major technological changes by adhering to incremental inventions in the existing dominant designs. Rather, we find significant inventions by incumbents outside the existing dominant designs and relate their success to their willingness to search novel areas, explore scientific knowledge in the public domain, and form alliances with a balanced portfolio of partners. We find support for our hypotheses using data from the global semiconductor industry between 1989 and 2002. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
107.
Christopher J. Sutter Justin W. Webb Geoffrey M. Kistruck Anastasia V.G. Bailey 《Journal of Business Venturing》2013
While prior research has discussed how entrepreneurs deal with formal institutional voids and informal institutional environments, little is known about how entrepreneurs respond to institutional arrangements involving illegitimate actors. We define such arrangements as semi-formal illegitimate institutions. Using an exploratory study, we examine one such arrangement in Guatemala City, where organized crime dominates the institutional landscape in which entrepreneurs operate. We examine the strategic responses of these entrepreneurs, and find that they vary in the extent to which they resist semi-formal illegitimate institutions; some entrepreneurs engage in defiance, others avoid the illegitimate pressures, while others simply acquiesce. Upon further investigation, we find that the differences in entrepreneurs' network strength and network proximity, combined with their individual perception of threat and resource mobility, help to predict the different strategic responses. 相似文献
108.
ABSTRACT The development literature lacks consensus about the link between aid effectiveness and governance improvement. A basic rational actor model is introduced to clarify how donors can influence recipient behaviors and more broadly how foreign aid can support or impede governance quality improvement. Adopting the underutilized perspective of donor behavior, this study identifies mechanisms through which aid hinders governance improvement and offers substantive recommendations about how donors can enhance aid effectiveness, including strategies for donors to raise the level of effort recipients devote to project success. 相似文献
109.
This paper outlines an approach to Bayesian semiparametric regression in multiple equation models which can be used to carry out inference in seemingly unrelated regressions or simultaneous equations models with nonparametric components. The approach treats the points on each nonparametric regression line as unknown parameters and uses a prior on the degree of smoothness of each line to ensure valid posterior inference despite the fact that the number of parameters is greater than the number of observations. We develop an empirical Bayesian approach that allows us to estimate the prior smoothing hyperparameters from the data. An advantage of our semiparametric model is that it is written as a seemingly unrelated regressions model with independent normal–Wishart prior. Since this model is a common one, textbook results for posterior inference, model comparison, prediction and posterior computation are immediately available. We use this model in an application involving a two‐equation structural model drawn from the labour and returns to schooling literatures. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
110.
We develop a simulation model of household behaviour in which both the consumption/saving and labour/leisure choices are endogenous. This model is used to explore the effects of the UK and Danish state tax and benefit systems on the labour supply of workers aged 50 or over. We find that, in broad terms, differences in labour force participation can be accounted for by differences in benefit structures. Furthermore, our simulations suggest that the UK system is preferred by young people while the Danish arrangement – which imposes a larger tax burden and provides larger welfare benefits – is chosen by people of 50 or older. Notably, people older than 60 are in the majority in the simulated population. The Danish system does not promote notably greater equality over the lifetime, but it does underpin a higher level of consumption for people of 50 or older. 相似文献