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121.
122.
Genome-wide association studies in economics and entrepreneurship research: promises and limitations 总被引:1,自引:0,他引:1
Philipp D. Koellinger Matthijs J. H. M. van der Loos Patrick J. F. Groenen A. Roy Thurik Fernando Rivadeneira Frank J. A. van Rooij André G. Uitterlinden Albert Hofman 《Small Business Economics》2010,35(1):1-18
The recently developed genome-wide association study (GWAS) design enables the identification of genes specifically associated
with economic outcomes such as occupational and other choices. This is a promising new approach for economics research which
we aim to apply to the choice for entrepreneurship. However, due to multiple testing issues, very large sample sizes are needed
to differentiate between true and false positives. For a GWAS on entrepreneurship, we expect that a sample size of at least
30,000 observations is required. 相似文献
123.
Expansion of human populations and activities has caused increased conflicts between wildlife and humans. As a result, the distinction between resource and pest species has become blurry. We propose an economically-based classification of species based on a multi-use bioeconomic model. The classification of the steady state population of a species is shown to depend on both species' density and economic factors. We extend earlier work on multi-use(resource-pest) species by applying the theoretical model to a developing country context where property rights to wildlife are imperfectly enforced, so that second-best trade measures are often applied by the international community to promote conservation. Upon calibrating the model using data for the African elephant, we derive three further results. First, when comparing the optimal stock of a multi-use species to the open access stock, we find that the ranking in terms of abundance is ambiguous. Second, and consistent with existing literature on resource management in a second-best world, our case study supports the idea that trade bans have ambiguous effectson wildlife abundance. Third, due to a bifurcation effect characterizing the multi-use model's solution, strategic and temporary subsidizing by the North may enable them to free ride on conservation efforts of the South henceforth. 相似文献
124.
Transparent Costing (TC) is a framework for determining the full indirect costs and thereby the full costs (FC) of Australian Competitive Grant (ACG) research projects; with the objective of ensuring the full funding of these projects by the government, so that they could be sustained in the long-run, and preventing their cross-subsidisation from other revenue sources. If a university wishes to be fully funded for its AGC research projects, it is mandatory to undertake a TC exercise and allocate the indirect costs of research activities. It was found in this study that whilst the objectives of FC appear worthwhile, FC may not prevent the practice of cross subsidisation. Also whilst it was found that Time-Driven Activity-Based Costing (TDABC) is preferable to ABC in the TC modelling of ‘research only’ departments and institutes; both approaches do not provide accurate information in ‘teaching and research’ departments. In these departments more accurate estimations could be obtained from studying the workload allocation methods and conducting direct interviews of the staff undertaking research on ACG and other externally funded grants. 相似文献
125.
Sanjeev Gupta Christian Schiller Henry Ma & Erwin R. Tiongson 《Journal of economic surveys》2001,15(5):647-670
Privatization promotes economic efficiency and growth, thereby reinforcing macroeconomic adjustment. In the short run, however, it can lead to job losses and wage cuts for workers. This paper discusses these adverse impacts of privatization in terms of various methods of privatization and surveys the existing empirical evidence. It finds that public sales and auctions can have stronger negative effects on workers but maximize the government's revenue. Policymakers' options for mitigating the social impact of privatization are surveyed. 相似文献
126.
This paper reports the results of simulation experiments which were conducted by using a CGE model of Argentina. The results suggest that: the economy could not have been stabilized by using the preannounced devaluation rate during 1978-81; economic performance could have improved in 1985-89 under a modified Austral plan but, with the altered structure, there would still be a severe currency appreciation; and the Convertibility Law based programme is very successful in arresting inflation and eliminating a budget deficit, though it is not free from side effects such as money supply shortages and high interest rates. 相似文献
127.
Erwin Ooghe 《The Scandinavian journal of economics》2020,122(2):524-552
In order to be eligible for in-work tax credits, it is often not enough to have low earnings. In Ireland, New Zeand the United Kingdom, for example, for eligibility, it is also required that the number of hours worked is sufficiently high. Similarly, in Belgium and France, the hourly wage rate must be sufficiently low. In this paper, I provide a justification for such additional conditions. I analyze Pareto-efficient redistribution from high to low ability individuals in a model where labor has several intensive margins. Besides labor hours, labor effort – a vector of unpleasant, but productive features of labor – is also an object of choice. Effort and ability determine the hourly wage rate. I find that conditional subsidies on earnings for low earners are optimal: the earnings of low earners should be subsidized at the margin, but only if they earn more by working more hours at a sufficiently low wage rate. 相似文献
128.
The purpose of this paper was to demonstrate the link between theory, research and the development of intervention strategies to reduce absenteeism in a large Australian manufacturing organization. A causal model was tested on a sample of 310 blue-collar employees at the organization. The LISREL and tobit results indicated that several factors had a significant effect on the level of absenteeism. These causal factors comprised routinization, supervisory support, job motivation, external responsibilities, accumulated sick leave, and previous warnings. Intervention strategies based on these results are described together with initial findings regarding their effectiveness in reducing absenteeism. 相似文献
129.
This article outlines procedures for adjustment for characteristics of the production structure which are typically ignored in productivity growth computations but affect the correct valuation of inputs and outputs. There are many such characteristics, including changes in the terms of trade and fixity of factors, but only one appears to have much impact on productivity fluctuations: imperfect competition in output and input markets. To illustrate this, traditional and adjusted productivity growth indexes based on assumed markups are constructed for the U.S., Canadian and Japanese business sectors for comparison with each other and with other adjustments done in previous studies. The methodology is based on finding shadow values of all domestic and traded outputs and inputs to use to evaluate the contribution of each to profits. We find that evidence of markups suggests adjustments in traditional measures that are quite significant and which tend to smooth both cyclical and time trends in productivity growth.The refereeing process of this paper was handled through M. Denny. 相似文献
130.
W. Erwin Diewert 《Journal of Productivity Analysis》2014,41(1):19-39
Using recent data from the Bureau of Economic Analysis, the Bureau of Labour Statistics (BLS), the Board of Governors of the Federal Reserve System and the US Department of Agriculture, the paper calculates the multifactor productivity (MFP) Growth for an Extended Business Sector of the US economy for the years 1987–2011. The Extended Business Sector (EBS) consists of the entire US economy less the inputs used and outputs produced by the Public Administration sector and less the US housing sector. The study found that MFP growth in the EBS averaged 1.157 % per year, somewhat higher than BLS MFP growth in the Private Sector which averaged 0.962 % per year. The study also produced estimates of MFP where a net output concept was used. Finally, the effects of changes in the prices of US exports and imports on real income growth was calculated using a translog model based on the work of Diewert and Morrison and Kohli. 相似文献