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排序方式: 共有93条查询结果,搜索用时 15 毫秒
1.
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
2.
Midori Matsushima Hiroyuki Yamada Yasuharu Shimamura 《Review of Development Economics》2020,24(1):144-166
This study examines how the demand and supply of healthcare services have responded to the expansion of health insurance coverage in Vietnam by using biyearly provincial panel data from 2006 to 2014. The results of our analysis indicate significant progress towards universal health coverage (UHC) in Vietnam, with the expansion of health insurance coverage being accompanied by increases in admissions and inpatient days. However, some concerns remain. Our findings show a positive response of supply capacity only in terms of doctors and nurses at higher‐level hospitals (provincial hospitals), and none in other relevant aspects. Moreover, we find no positive response of the number of outpatient visits. Another concern is the issue of financial protection. The decline in out‐of‐pocket payments is not significant throughout our observation period, suggesting that lowering the cost of healthcare is not straightforward and that the expansion of health insurance coverage alone cannot achieve this. We believe that the Vietnamese experience has valuable implications for other emerging and developing countries, considering that the expansion of health insurance coverage is likely to increase utilization of healthcare services significantly and that the supply side needs to be prepared for the increase. 相似文献
3.
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
4.
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
5.
6.
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
7.
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
9.
Hiroyuki Kasahara Tatsuyoshi Okimoto Katsumi Shimotsu 《The Japanese Economic Review》2014,65(1):25-41
In this paper we propose a modified quasi‐likelihood ratio test of the null hypothesis of one regime against the alternative of two regimes in Markov regime‐switching models. The asymptotic distribution of the proposed test statistic is a simple function of Gaussian random variables, and the inference is no more complicated than in the standard case. Our simulations show that the proposed test has good finite sample size and power that are comparable to the quasi‐likelihood ratio test of Cho and White. We apply our test to stock returns and Japanese policy functions. 相似文献
10.
This study sets forth a method to calculate the passenger benefits of an international airport project and assesses the passenger benefits brought about by two international airport projects.An international airport project mainly increases the number of flights and the possibility of determining convenient timetables. It does not significantly decrease the flight time of international travel. Thus, the user benefits brought about by an international airport project cannot be expressed by the conventional concept of ‘traveling time’, which is the term generally used.In this study, the ‘Expected Value of Traveling Time’ and ‘Expected Value of Generalized Cost’ are presented as indexes to evaluate improvements in convenience brought about by international airport projects. The passenger benefits of two airport projects in Japan are measured by consumer surplus calculated from the demand function using these indexes.These indexes are accurately calculated taking into consideration factors such as scheduling connections between domestic and international transport, and so enable a grasp not only of reductions in flight time, but also of passenger benefits resulting from international airport projects, such as increases in the number of flights and reductions in the time required to make transfers during domestic travel. 相似文献