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排序方式: 共有250条查询结果,搜索用时 15 毫秒
11.
Nigel Driffield Max Munday Annette Roberts 《International Journal of the Economics of Business》2002,9(3):335-351
Using data from the UK Census of Production, including foreign ownership data, and information from UK industry input-output tables, this paper examines whether the intensity of transactions linkages between foreign and domestic firms affects productivity growth in domestic manufacturing industries. The implications of the findings for policies promoting linkages between multinational and domestic firms in the UK economy are outlined. 相似文献
12.
Intereconomics - Big Data is expected to unleash data-driven innovation,which is supposed to better address and solve challengesin our society. As a so-called non-rival good, the sharingand... 相似文献
13.
14.
Max Friedrich Steinhardt 《Labour economics》2012,19(6):813-823
This paper analyses whether citizenship acquisition affects the labour market performance of immigrants in Germany. The study uses actual micro data from the employment sample of the Institute for Employment Research, which covers more than 80% of the entire labour force in Germany. The econometric analysis has been carried out using panel data techniques, which allow to disentangle the effects of self-selection and legal impact of citizenship acquisition. Estimates from a pooled OLS specification suggest the existence of a wage premium for naturalized immigrants of both genders. Fixed effects estimates for males show an increased wage growth in the years following naturalization, consistent with the argument that naturalization increases the labour market opportunities of immigrants. Results for female employees indicate that the wage premium of naturalized women is solely the result of a positive self-selection process. 相似文献
15.
Increasing demand for cereals produced from limited natural resources stimulated the Green Revolution in grain crops like wheat and rice. But the gap between potential and actual production continues. Concerns about sustainability, and the social and technical shortcomings of the Green Revolution, have triggered a number of alternative crop production strategies. One, in particular, the so-called System of Rice Intensification (SRI), is attracting attention by governments, civil society organizations and farmers in Asia and elsewhere. 相似文献
16.
Max F. Ruppert 《Publizistik》2001,46(4):471
17.
Firms are central to many theories of the labor market. However, the actual degree to which firms shape the structure of wages is still not well understood. This paper investigates (i) the importance of firms in explaining wage differences across individuals and industries, and (ii) how the nature of interfirm mobility – job-to-job vs. job-unemployment-job – affects the relative importance of firms and workers in wage determination. Results indicate that (i) firms are much more important in explaining the variance of average wages across industries rather than across individuals, and (ii) using job-to-job transitions to identify the firm's contribution to the wage rate reduces the importance of firm wage policies in explaining wage differences by as much as 50%. 相似文献
18.
This note makes two observations about trade restrictions on subgroups of commodities. First, unlike tariffs, unalterable quotas provide no second-best justification for general restrictions. Second, the optimal allocation of intra-subgroup trade depends on the form of restraint imposed. 相似文献
19.
The Biofuel Controversy 总被引:1,自引:1,他引:0
Summary About a decade ago, the main OECD countries decided to promote the use of biofuels so as to reduce greenhouse gases, to contribute
to energy self-sufficiency and to create additional demand for agricultural commodities. The introduction of mandatory blending
requirements and lavish subsidies spurred fast adoption of this technology. In the course of 2008, the already existing controversy
about the effectiveness of this strategy culminated as the resulting upward shift in demand contributed to staggering rises
in food prices on world markets. It is uncertain as yet whether this will tone done current ambitions among policy makers
to expand biofuel production. The paper shows that high ratios of energy prices to food prices are needed to make biofuel
production profitable without the mandatory blending and subsidies. Yet, even if food-based biofuels disappeared, the issue
remains that rising high energy prices will promote intensified use worldwide of land for energy crops, requiring huge amounts
of mineral fertilizers and putting nature under additional pressure. In policy terms, this defines three major tasks. The
first is replacing the current excise taxes on energy carriers by a uniform carbon tax, so as to mitigate greenhouse gas emissions
in an efficient manner, the second to prevent price fluctuations on the oil markets from destabilizing food markets, as happened
in recent years. Introduction of upper limits on the use of food for biofuel could prove effective here. The third, much wider,
task is to make the transition to a partly biomass based energy production possible and sustainable, that is establishing
fair distribution of property and user rights over the lands, while safeguarding biodiversity and soil fertility and maintaining
adequate labour standards and living conditions, also during periods that these become non-profitable following a drop in
energy prices.
The authors thank Lia van Wesenbeeck for her comments. 相似文献
20.
The paper presents a theory of nominal asset prices for competitively owned oil. Focusing on monetary effects, with flexible oil prices the US dollar oil price should follow the aggregate US price level. But with rigid nominal oil prices, the nominal oil price jumps proportionally to nominal interest rate increases. We find evidence for structural breaks in the nominal oil price that are used to illustrate the theory of oil price jumps. The evidence also indicates strong Granger causality of the oil price by US inflation as is consistent with the theory. 相似文献