What encourages households to adopt rice as a new crop? Understanding gender roles and perceptions in households in northern Namibia

This article investigates how the introduction of new crops influences intra-household decision-making among the Ovambo in northern Namibia where women are responsible for crop farming, while men are engaged in livestock farming. It examines gender relations that underlie daily activities. The findings of the study show that women try new crops on their own or with the help of their children and do not negotiate with their husband, mothers, or brothers over household resources such as land, labour, and the cash of other family members. Women avoid conflicts with family members, but may have an increased perception of contribution to the household if they succeed in introducing new crops.     

Indicators for economic vulnerability to drought in South Africa

This article identifies and estimates economic drought vulnerability indicators among communal farmers in South Africa, using an economic vulnerability index based on a household survey of 121 communal farmers. The results show that lack of resources, unemployment, price sensitivity, market access, the level of farm debt, output, on- and off-farm diversification, management, and financial safety nets were the main economic vulnerability variables. Farm debt and financial safety provide the bulk of the vulnerability index. The study’s findings suggest that government should reconsider priorities in the implementation of appropriate policy measures in response to drought.     

Changing arenas for agricultural climate change adaptation in Vietnam

Great changes are underway in how climate and agricultural risks are managed in Vietnam. Uncertainties are emerging regarding the role of the state in managing these risks and what this implies for assumptions regarding hoped-for climate change transformations. Local government control is waning in relation to the expanding roles of the private sector and the growing autonomy of farmers themselves. This article presents cases that illustrate the ways that farmers, private investors, and local authorities are responding to climate risk within roles relating to the other risks involving markets, food security, and pressures on common property resources.     

中美两国太空安全领域的互动

作为第四空间的太空是国际争夺的战略制高点。中美两国在太空领域有着广泛利益,涉及其国家安全与经济繁荣以及国际声望。中美两国之间的太空关系,事关国际战略稳定与平衡。尽管两国都主张太空安全,但是中美太空安全观大相径庭,在如何确保太空安全的方式上存在巨大差异。中国在安全困境下考虑和实施太空政策,谋求太空安全;美国则是推进太空武器化,保证美国治下的太空安全。两国在太空安全领域上进行了针锋相对的较量。美国使用传统守成大国对待崛起大国的方法,不仅研发更先进的(反)太空技术,而且也禁止中美太空合作,同时拼凑同盟,封堵中国(反)太空能力的发展。与美国相比,中国应对美国太空封堵手段相对较少,只有潜心发展自己的(反)太空能力,才能确保太空资产安全和国家安全。在外交场合下,在禁止太空军备竞赛与《禁止生产用于核武器及爆炸装置的裂变材料条约》、禁止太空武器化的国际条约与自愿性质的国际太空行为规范准则两组问题上,中美两国也进行了互不妥协的对抗。为降低两国在太空安全领域的对抗烈度,中美两国开启了民用太空对话与太空安全对话机制,同时,也不排除特朗普政府未来会启用中美外交安全对话机制处理太空安全问题。     

Limits to non‐state market regulation: A qualitative comparative analysis of the international sport footwear industry and the Fair Labor Association

Non‐state market regulation has become a central focus and continues to receive scholarly attention. The present paper provides an assessment of the conditions under which multinational firms join a multi‐stakeholder certification initiative. The cases of the Fair labor Association and 17 international sport footwear companies have been selected for this purpose. A Qualitative Comparative Analysis of the 17 cases is performed. The paper argues that the combination of sustained NGO pressure and public ownership of a firm is a necessary precondition for firms joining a multi‐stakeholder certification initiative. The theoretical and policy implications of this result are discussed.     

Presidential roles and rhetoric

Traditional literature on the public dimensions of the American presidency suggests that the office has a significant impact upon the political lives of Americans and that contemporary presidents frequently appeal for public support to pressure other government elites. This study systematically analyzes rhetorical references to the presidency by examining a president's articulation of presidential roles in public speeches and press conferences. This study finds that Johnson, Nixon, and Carter did rhetorically refer to presidential roles, especially when confronted by crisis and controversy. The implication is that when confronted by serious controversy, presidents tell Americans about the responsibilities of the presidency in an effort to mobilize public support.     

东盟东增长区的发展与引资成效

自20世纪90年代初以来,东盟次区域经济合作非常活跃,先后出现了新加坡、马来西亚柔佛和印尼的廖内群岛等组成的"新柔廖增长三角",又被称为"东盟南增长三角";印尼、马来西亚、泰国相邻部分组成的"东盟北增长三角";文莱、印尼、马来西亚和菲律宾相邻部分组成的"东盟东部经济增长区(简称东盟东增长区)"等.这些由东盟各国自愿组成的各种增长三角已成为东盟进行合作的重要形式,促进了东盟各国间经济联系和相互合作,带动了贸易和投资的发展.本文选取东盟区域内最大的、最年轻的东盟东增长区,分析其带动资本流动的效果,探讨其发展成效.     

论国际法视野下中医药知识产权的保护

我们对于传统中医药知识产权的保护多从私权出发,从而忽视了国家在这一领域内应起的作用。本文试图说明国家在中医药知识产权国际保护中的地位应该得到加强,并且在不违背其所承担的国际义务的前提下,可以通过强化其外部贸易政策来实现这一目的。     

Age,period and cohort analysis in a comparative context: Political generations and political participation repertoires in Western Europe

This paper presents a method for studying age-period-cohort effects in a comparative context where repeated cross-sectional data are available covering a suitably long period of time. The method consists in the application of multi-level models with country as the higher level of analysis and random coefficients to model variables which vary at the country-level. Additionally, the application of generalized additive models (GAMs) and generalized additive mixed models (GAMMs) provides robust empirical tests of cohort categorizations applied in this and previous studies to estimate otherwise collinear effects. To illustrate the method, I derive and test the theory that generations will be differentiated in their patterns of participation based on the ascendancy of certain repertoires in the era of their political socialization.     

损伤皮肤中白三烯B_4含量测定与损伤时间推断

本文作者利用高压液相色谱,快速检测大鼠皮肤切创创缘组织中白三烯B_4含量。结果发现,生前各损伤时间组创缘中白三烯B_4含量明显升高,且在1小时内与损伤时间有一定线性关系;死后损伤标本未见白三烯B_4含量升高。由此表明白三烯B_4含量测定,对推断生前1小时内的损伤时间有重要价值。高压液相色谱能快速、准确地检测损伤组织中的白三烯B_4。