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101.
102.
Anne Chartier Claude Banville Maurice Landry 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2010,27(2):149-160
This case study is reflective of the action‐research perspective documents applied in an intervention to manage a crisis during an information technology development project. The aim was to better understand how tools used to solve unstructured problems might help resolve such crises. The development and implementation of an intervention utilizing multiple tools is described. As a result of the intervention, a shared meaning of the crisis emerged among the major stakeholders along with a consensus as to appropriate solutions and action steps. Work on the project resumed to the satisfaction of management. Recommendations for future research are offered. Copyright © 2010 ASAC. Published by John Wiley & Sons, Ltd. 相似文献
103.
Jean‐Marie Dufour Lynda Khalaf Marie‐Claude Beaulieu 《Journal of Applied Econometrics》2010,25(2):263-285
In this paper, we propose several finite‐sample specification tests for multivariate linear regressions (MLR). We focus on tests for serial dependence and ARCH effects with possibly non‐Gaussian errors. The tests are based on properly standardized multivariate residuals to ensure invariance to error covariances. The procedures proposed provide: (i) exact variants of standard multivariate portmanteau tests for serial correlation as well as ARCH effects, and (ii) exact versions of the diagnostics presented by Shanken ( 1990 ) which are based on combining univariate specification tests. Specifically, we combine tests across equations using a Monte Carlo (MC) test method so that Bonferroni‐type bounds can be avoided. The procedures considered are evaluated in a simulation experiment: the latter shows that standard asymptotic procedures suffer from serious size problems, while the MC tests suggested display excellent size and power properties, even when the sample size is small relative to the number of equations, with normal or Student‐t errors. The tests proposed are applied to the Fama–French three‐factor model. Our findings suggest that the i.i.d. error assumption provides an acceptable working framework once we allow for non‐Gaussian errors within 5‐year sub‐periods, whereas temporal instabilities clearly plague the full‐sample dataset. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
104.
We present a new version of the overtaking criterion, which we call generalized time-invariant overtaking. The generalized time-invariant overtaking criterion (on the space of infinite utility streams) is defined by extending proliferating sequences of complete and transitive binary relations defined on finite dimensional spaces. The paper presents a general approach that can be specialized to at least two, extensively researched examples, the utilitarian and the leximin orderings on a finite dimensional Euclidean space. 相似文献
105.
New classes of order relations for discrete bivariate random vectors are introduced that essentially compare the expectations of real functions of convex-type of the random vectors. For the actuarial context, attention is focused on the so-called increasing convex orderings between discrete bivariate risks. First, various characterizations and properties of these orderings are derived. Then, they are used for comparing two similar portfolios with dependent risks and for constructing bounds on several multilife insurance premiums. 相似文献
106.
Accuracy Versus Falsification Costs: The Optimal Amount of Evidence under Different Procedures 总被引:1,自引:0,他引:1
An arbiter can decide a case on the basis of his priors or hecan ask for further evidence from the two parties to the conflict.The parties may misrepresent evidence in their favor at a cost.The arbiter is concerned about accuracy and low procedural costs.When both parties testify, each of them distorts the evidenceless than when they testify alone. When the fixed cost of testifyingis low, the arbiter hears both, for intermediate values one,and for high values no party at all. The arbiter's ability toremain uninformed as well as sequential testifying makes itmore likely that the arbiter requires evidence. (JEL D82, K41,K42) 相似文献
107.
Jean Claude Mutiganda 《Critical Perspectives On Accounting》2013,24(7-8):518-531
This paper analyses the impact of the institutionalisation of governance and budgetary policies on the accountability of organisational actors from an institutional and critical realism perspective. The study extends the framework by Burns and Scapens (2000) to critical realism. Findings from field studies conducted in two public hospital districts in Finland show two institutions of budgetary governance: the political and the technical. Accountability practices depend on how the institutionalised policies have reduced or increased the gaps between the real, the actual and the empirical domains of reality of the organisational actors involved and the governance policy that prevails at a given domain of reality. The use of budgetary information as a tool of governance and accountability in the empirical field of the study cannot be taken for granted. 相似文献
108.
Irena Vida Claude Obadia Michelle Kunz 《International Review of Retail, Distribution & Consumer Research》2013,23(5):469-482
Abstract This study examines the effects of in-store background music valence (liking) and music fit with the overall store image on consumer evaluative and behavioural responses in the context of a high-end supermarket chain. Based on the previous body of work, a conceptual model is developed to examine music valence on customer appraisal of store offering and personnel, and on the length of shopping time and the value of purchase. The influence of the perceived music fit with the overall store image on shopping time is also assessed in the model. The hypothesized relationships are examined via covariance analysis using store-intercept consumer data. Implications of the structural analyses results for management of retail store brands and for future research on music as an element of store atmospherics are discussed. 相似文献
109.
The aim of this article is to propose a new database allowing a comparative evaluation of the relative performance of schooling systems around the world. We measure this performance through pupils’ achievement in standardized tests. We merge all existing regional and international student achievement tests by using a specific methodology. When compared with other existing databases, our approach innovates in several ways, especially by including regional student achievement tests and intertemporal comparable indicators. We provide a data set of indicators of quality of student achievement for 103 countries/areas in primary education and 111 countries/areas in secondary education between 1965 and 2010. 相似文献
110.
We study the link between the attributes of American depositary receipt (ADR)‐listed firms and their post‐listing security‐market choices. We find that developed market firms are more likely to issue equity and debt than their emerging market counterparts. Furthermore, we find that large firms are more likely to issue debt and less likely to issue equity. When we examine locations where ADR firms raise their capital, we find that firms originating from countries where the protection of minority shareholders is weak are more likely to issue debt on their home markets and less likely to issue debt on international markets (excluding U.S. markets). Furthermore, ADR firms originating from developed (emerging market) countries are more (less) likely to issue their equity on their domestic markets and less (more) likely to issue equity on international markets (excluding U.S. markets). 相似文献