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排序方式: 共有99条查询结果,搜索用时 335 毫秒
1.
Hiroyuki Nakata 《Economic Theory》2003,21(2-3):697-727
Summary. This paper studies how communication or exchange of opinions influences correlation of beliefs. The paper focuses on a situation
in which agents communicate with each other infinitely many times without observing data. It is an extension to the ‘Expert
Problem’ in Bayesian theory, where the informational flow is asymmetric. Moreover, this paper generalizes the existing literature
of communication that employs the common prior assumption (CPA) by allowing for heterogeneous beliefs. Some basic convergence
results are shown in contrast with the results obtained under the CPA. Furthermore, several economic implications of the basic
results are provided.
Received: August 27, 2001; revised version: April 16, 2002
RID="*"
ID="*" The results presented in this paper are taken from my Ph.D. thesis at Stanford University. I gratefully acknowledge
the inspiration obtained from innumerable discussions with Mordecai Kurz about this subject. Also, I appreciate comments from
Kenneth J. Arrow, Peter J. Hammond, Maurizio Motolese, Carsten K. Nielsen, Ho-Mou Wu and the anonymous referee. 相似文献
2.
Satoru Kasahara Sergey Paltsev John Reilly Henry Jacoby A. Denny Ellerman 《Environmental and Resource Economics》2007,37(2):377-410
In 2003 Japan proposed a Climate Change Tax to reduce its CO2 emissions to the level required by the Kyoto Protocol. If implemented, the tax would be levied on fossil fuel use and the
revenue distributed to encourage the purchase of energy efficient equipment. Analysis using the MIT Emissions Prediction and
Policy Analysis (EPPA) model shows that this policy is unlikely to bring Japan into compliance with its Kyoto target unless
the subsidy encourages improvement in energy intensity well beyond Japan’s recent historical experience. Similar demand-management
programs in the US, where there has been extensive experience, have not been nearly as effective as they would need to be
to achieve energy efficiency goals of the proposal. The Tax proposal also calls for limits on international emission trading.
We find that this limit substantially affects costs of compliance. The welfare loss with full emissions trading is 1/6 that
when Japan meets its target though domestic actions only, the carbon price is lower, and there is a smaller loss of energy-intensive
exports. Japan can achieve substantial savings from emissions trading even under cases where, for example, the full amount
of the Russian allowance is not available in international markets. 相似文献
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5.
Hiroyuki Takeshima Kamiljon Akramov Allen Park Jarilkasin Ilyasov Yanyan Liu Tanzila Ergasheva 《Agricultural Economics》2020,51(4):553-565
Agriculture–nutrition linkages (ANLs) have been increasingly investigated in the literature. However, nutritional returns and costs of household agricultural production practices (APPs) in semisubsistence settings are poorly understood. We fill these knowledge gaps using pooled cross-section data sets in Tajikistan, where semisubsistence farming and undernutrition coexist despite relatively good agricultural infrastructure and education systems. Agricultural diversification, yield enhancement, production expansion are positively associated with various nutritional outcomes, particularly in areas with poor food market access. Decomposition exercises suggest that nutritional returns and costs of these APPs vary across households, and the adoption of APPs is driven by the expected nutritional returns. In Tajikistan, improving nutrition through household ANLs requires growing the smallholder agricultural sector in multiple dimensions, including diversification, intensification, and expansion, while also understanding better the pathways of ANLs and addressing bottlenecks at appropriate stages of such pathways. 相似文献
6.
Academia and industry increasingly work together, but this is not always an easy endeavor. In this article we investigate how relational mechanisms facilitate trust formation in university–industry research collaborations (UICs) in three countries and contribute to the understanding of international similarities and differences in UICs by considering institutional factors, specifically, the strength and maturity of UICs in each country. Analyzing survey data of 618 recent UICs in the US, Japan, and South Korea, we identify the activities of innovation champions as a critical trust building mechanism between firms and universities that complements initial trust formation through tie strength, partner reputation, and contractual safeguards. We find that partner reputation and champion behavior are more important for trust formation in South Korea than in the US and Japan, indicating that in ‘emerging UIC countries’ where most firms and universities have little collaboration experience, reputation and the leadership by innovation champions are more important for trust formation in UICs than in ‘advanced UIC countries’ with strong and mature UIC networks. From a public policy perspective, our findings suggest that networks between firms and universities should be generally strengthened and collaboration partners should be provided with effective contractual safeguards to enhance trust formation in UICs. 相似文献
7.
Hiroyuki Yamada 《Revue africaine de developpement》2012,24(1):41-51
Abstract: Using the case of South Africa, we study compliance with the minimum wage law when completely new minimum wage levels are established. By even the best estimate, the compliance rate in South Africa would not exceed 40 per cent for the agricultural sector and 30 per cent for the domestic worker sector. The compliance rates by subpopulation groups reveal that the compliance rate is low where the cost to comply with the minimum wage law is high, implying that government inspections are not done where they are likely to have the highest payoff. However, if the government tries to enforce the policy more strictly, the poor/less skilled would be adversely affected. 相似文献
8.
Hiroyuki Koide 《Regional Science and Urban Economics》1985,18(2):283-305
Most of the works dealing with local public goods are aspatial in their treatment since they consider only the case of a pure local public good; such works do not address the problem of where the good is to be supplied. In this paper, an initial attempt to treat the distribution of an impure local public good as a choice function is made within the framework of optimum urban land use. The distance-decay nature of spillover effects inherent in an impure local public good is explicitly considered by adopting a negative exponential function. To highlight the spatial aspect of an impure local public good, a two-supply-site problem with a log-linear utility function is formulated to determine the optimal supply sites. It is shown that if the weight of the utility function on the public service is greater than or equal to that on land, then the local public good is exclusively supplied at the center. Otherwise, separate supply sites can be optimal. 相似文献
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10.
We analyze regional factors of the start‐up ratio in Japan using two datasets with different regional aggregation levels. The explanatory variables represent demand, cost, human resource, financial, industry agglomeration and industrial structure, and other factors. The empirical results demonstrate that even though all these factors significantly affect the start‐up ratio at the municipality level, some of these factors are not significant at a larger economic area level. In particular, we obtained evidence that human resource factors, together with the average wage and average size of establishments, are important determinants of the regional start‐up ratio in both the samples. 相似文献