农业生物技术的接力创新:特性、机理及政策启示

采用多案例研究方法,通过研究8个典型案例验证了农业生物技术的接力创新在发生范围、创新类型、接力关系及接力方式等方面的特性。基于农业生物技术创新过程及生物农业产业的其他特征,进一步研究了农业生物技术接力创新的形成机理,并对相关特性进行了解释。最后,针对中国农业生物技术创新提出了若干政策启示。     

论农业适度规模经营风险及其特征

一般认为,农业适度规模经营风险较农户小规模经营要低。本文对此提出了新的看法:与农户小规模经营相比,农业适度规模经营在某些方面反而增加了经营的风险。围绕这一观点,文章进行了深入分析,并提出了防范的基本思路。     

梁遇春的创作与翻译活动简论

一、引言 提起梁遇春。这位“中国的伊利亚”．现代人是从他的两本散文集《泪与笑》和《春醪集》中认识这位才华横溢的文学天才的。他的散文深得英国小品文的精髓．技巧感情神似18世纪英国散文大家筏尔斯·兰姆．承袭一种悲剧式的幽默．又因扎根于中国古典文学的土壤。     

我国不同部门服务贸易对经济增长的影响机制研究——基于1982～2006年数据的实证分析

本文就我国不同部门服务贸易发展促进经济增长的机制进行实证研究,研究结果表明:三个部门的服务贸易均通过增加人均资本,加速制度改革和技术进步的途径来促进人均产出,但人力资本对人均产出的影响却很不明显,并且在此基础上提出相关政策建议。     

The Single Currency and Labour Market Flexibility: a Necessary Partnership?

This paper examines the macroeconomic consequences of rigidities in the European labour markets, and shows that attempts to impose a single monetary regime on economies with different structures can lead to a breakdown in co-ordination. Such breakdowns can occur when expenditure-switching effects are dominated by the income effects of greater policy discipline. Market flexibility should therefore be given greater importance than the process of policy formulation in the 'New Europe'     

强化通信企业执行力探究

有这样一则古老的寓言:某地的一群老鼠,深为一只凶狠无比、善于捕鼠的猫所苦.于是,老鼠们群聚一堂,研究如何解决这个心腹大患.它们颇有自知之明,并没有猎杀猫儿的雄心壮志,只不过想探知猫的行踪,早作防范.经过一番讨论,一只老鼠的提议获得了满场的一致拥护,它建议在猫的身上挂个铃铛.     

几种网络RTK作业方法的比较

对几种网络RTK作业方法进行论述,对各种方法的优缺点进行比较.     

我国工业企业多元化程度与绩效研究

企业是否实行多元化在理论界和企业界一直是一个被热烈讨论的话题，几乎所有企业在其发展过程中都要面临这种战略选择。本文研究发现，我国工业企业多元化程度与经济效益之间不存在显著的相关关系。     

On Evaluating the Performance of Problem Structuring Methods: An Attempt at Formulating a Conceptual Model

In the past decade there has been a discussion on the need for and degree of empirical evidence for the effectiveness of problem structuring methods (PSMs). Some authors propose that PSMs are used in unique situations which are difficult to study, both from a methodological and a practical perspective. In another view experimental validation is necessary and, if not obtained, PSMs remain substantially invalidated and thus ‘suspect’ with regard to their claims of effectiveness. Both views agree on one point: the necessity of being clear about the important factors in the context in which a method is used, the method’s aims and its essential elements through which these aims are achieved. A clear formulation of central variables is the core of a theoretical validation, without which empirical testing of effects is impossible. Since the process of PSMs is sometimes referred to as ‘more art than science’, increased clarity on the PSM process also supports the transfer of methods. In this article we consider goals important to most PSMs, such as consensus and commitment. We then focus on outcomes of group model building, and expectations on how context and group modeling process contributes to outcomes. Next we discuss the similarity of these central variables and relations to two sets of theories in social psychology: the theory of planned behavior and dual process theories of persuasion. On the basis of these theories we construct a preliminary conceptual model on group model building effectiveness and address its practical applicability for research on PSM.     

Quasi‐legal commerce in southeast asia: Evidence from myanmar

The historical absence of formal political borders in the mainland Southeast Asian region, combined with the nature of the geography, mean that unofficial and illegal forms of crossborder movement and economic activities are pervasive and significant throughout the region. This is particularly true in Myanmar (formerly Burma), where pressure on international firms to comply with a boycott of the country, togeth‐er with the covert activities of the government conspire to make border trade a viable form of international business. Although illegal trade such as smuggling is perhaps a universal feature of international economic activities, what is more interesting is the phenomenon of quasi‐legal trade, which includes such activities as parallel importing and reimporting, and advertising by proxy. In many cases, there is evidence that multinational firms collude with distributors, quasi‐legal importers, and government officials to enable the continuation of the marketing of their brands within a country in which this would otherwise be prohibited. This article reports on research conduct‐ed in Myanmar during 1997 and 1998 concerning this issue. The study included a wide‐ranging program of qualitative research with in‐depth interviews of leading overseas executives, intermediaries, and government officials. This research in Myanmar is unique, and it was conducted under considerable difficulties and extreme need for security and provision of confidentiality. In describing the role of multinational companies and others in pursuing quasi‐legal border trade, the article makes a significant contribution to the understanding of the business environment in Myanmar and, more generally, in Southeast Asia. The wider implications of this for international marketing are also described. ? 2001 John Wiley & Sons, Inc.