国际视域下的天津东疆港免退税政策的建议

天津东疆保税港区以其独特的地理位置、区位优势和政策环境优势为建立免税自由贸易港岛提供了有利条件。积极争取国家有关部门的支持,批准天津东疆保税港岛试行免税政策对天津成为以免税购物为主题的,融娱乐、休闲、购物于一体的国际知名旅游目的地具有里程碑意义,将会大大提升天津知名度和国际竞争力。本文通过对世界上其他国家和地区的现有＂离境退税＂政策和＂离岛免税＂政策进行分析,从中发现能促进东疆港免税购物成功发展的重要因素,并给出相关的对策建议。     

基于改进遗传算法的生鲜加工配送中心连续选址模型

建立了生鲜加工配送中心选址连续模型，在引入监控算子的基础上，运用改进的遗传算法对模型进行求解。该模型和改进的遗传算法可有效的解决生鲜加工配送中心的选址问题。     

Consequences of a green image of drone food delivery services: The moderating role of gender and age

Drone food delivery services play a significant role in protecting the environment, because the services are operated by batteries that can be charged with electricity. Therefore, this study tried to examine a green image in the context of drone food delivery services. More specifically, this study proposed that a green image of drone food delivery services plays an important role in the formation of attitude toward using the services. In addition, it was hypothesized that the attitude has a positive influence on behavioral intentions including intentions to use, word‐of‐mouth intentions, and willingness to pay more. Lastly, the moderating role of gender and age was proposed during the theory‐building process. A theoretical model, which included 12 hypotheses, was developed and tested using a total of 427 samples collected in Korea. The data analysis results showed that a green image of drone food delivery services has a positive influence on attitude toward using the services, which in turn positively affects three subdimensions of behavioral intentions. Furthermore, gender and age played partly as a moderator. The current paper was the first to study the green image of drone food delivery services, so the findings of this study mean a lot to the theoretical aspect.     

土地职能和土地产权制度选择——中国土地产权私有化有效性质疑

本文明确反对土地私有化政策,并在重新界定土地职能的基础上,证明了土地私有化在带来生产增益和经济绩效改善的同时,必将对中国产生重大的不利影响。在中国的基本国情和当前生产力发展水平下,土地私有化将使中国爆发"马尔萨斯危机"的可能性处于不可控制的境地。另外,作为基础性制度安排的现有土地产权制度是中国特色经济发展模式的重要特征,是缓解经济危机失业压力的重要缓冲器。     

Expert opinion and cuisine reputation in the market for restaurant meals

As food is an experience good, the market for restaurant meals is a market where the cost of acquiring information regarding quality is relatively high. In such markets consumers often turn to reputation measures to guide purchase decisions. As Australia does not have a longstanding cuisine style of its own, and given Australia has been open to substantial immigration inflows since federation, it represents an especially appropriate market to study regarding the impact of individual restaurant reputation and collective cuisine reputation on meal prices. The following study uses the hedonic price approach to investigate the implicit price of individual reputation indicators, cuisine type reputation indicators and other objective indicators in the market for restaurant meals. The empirical findings presented suggest that both individual restaurant reputation and cuisine type reputation are important. Other important factors are shown to include the quality of the restaurant wine list, the availability of private dining rooms, and whether or not there is an outdoor dining option.     

企业绿色行为与价值关联性研究——以高科技行业上市公司为例

以高科技行业上市公司为对象,借助修正后的Ohlson评价模式进行定量研究发现,内部环境管理、外部绿色供应链管理、投资回收和环境化设计等绿色行为对企业股权价值增值均具有显著的解释能力,其中内部环境管理和外部绿色供应链管理影响最为强烈,因此企业应进行资源节约和环境友好的文化培育和制度安排,并以资源深度利用为导向进行跨边界的流程设计,目的在于同时提升企业的经济效益和环境效益。     

Food Prices Policy in Israel: A Strategic Instrument

Abstract:

The goal of this research is to demonstrate a significant importance of state policy of food prices supervision in Israel. The article begins with a detailed discussion of the healthy food basket’s components, based on the Israeli Ministry of Health recommendations. Next, we present the prices of the goods included in the basket, and a calculated estimate of the per capita cost of funding the basket. Based on this cost figure, we assess the economic ability of Israeli households to purchase the basket. The results show that two lowest quintiles would have trouble paying the price of a basic health food basket. Further, it describes the food prices in Israel and its significance, Israel’s food market and the major regulatory tools associated with the food market. In the end, we define the need for short-term and longer-term regulation of food costs, and the necessity of expanding competition in the food market.     

Land,Gender, and Food Security

Since 2008, a surge in large-scale land acquisitions, or land grabs, has been taking place in low- and middle-income countries around the globe. This contribution examines the gendered effects of and responses to these deals, drawing on nine studies, which include conceptual framing essays that bring in debates about human rights, studies that draw on previous waves of land acquisitions globally, and case studies that examine the gendered dimensions of land dispossession and loss of common property. Three key insights emerge: the evolving gender and land tenure literature provides valuable information for understanding the likely effects of land deals; some of the land deal issues transcend gender-equity concerns and relate to broader problems of dispossession and loss of livelihoods; and huge gaps remain in our knowledge of gender and land rights that require urgent attention and systematic integration of gender analysis into mainstream research.     

Personality traits,basic individual values and GMO risk perception of twitter users

Abstract

The present study investigates how the most foundational factors to individual differences – personality traits and personal values – affect the perceived safety of genetic modification and their relative importance. Publicly available communication data from 522 Twitter accounts discussing genetically modified foods and their safety was processed in two steps. First, accounts were categorized by the researchers as viewing GM foods as either safe or not safe. Second, using the IBM Watson platform, the Twitter communication data were subjected to lexical analysis to assign scores according to the Five Factor Model for personality traits and Schwartz’s basic individual values to the individual accounts. Logistic regression analyses were performed to determine how perceived GM food safety is linked to personality traits and individual values. Although both traits and values significantly contribute to explaining GM attitudes, personality traits strongly moderate the effect of individual values on risk perception.     

Understanding heterogeneity in price changes and firm responses to a national unhealthy food tax in Mexico

To address the high prevalence of overweight and obesity in Mexico, an eight percent ad valorem excise tax on non-essential energy-dense foods came into effect on 1 January 2014. This paper estimates price changes after the tax implementation among the top four food categories and by leading vs. non-leading firms using purchase information from over 6000 urban households in the 2012–2015 Nielsen Mexico Consumer Panel. We create product-city-month specific prices that correct for potential biases associated with household and retailer characteristics. Using these corrected prices, we conduct before and after quasi-experimental analyses and find that price increases were larger than eight percent for cookies but were less than eight percent for ready-to-eat cereals, salty snacks, and pre-packaged sweet bread. For the latter food group, event-study analyses on the gradual price change over time suggest that price changes might be the result of an increasing price trend rather than the tax implementation. Firm-level analyses mostly show that price increases by the leading firms were larger than the overall increase at the food market level, helping explain variability in post-tax declines in food purchases as reported in other research. We also find that price changes are generally underestimated when we do not correct prices for biases associated with households and retailers. These results improve our understanding of the mechanisms behind heterogeneous changes in purchases after the tax implementation. Additionally, these results can assist policymakers when designing or improving taxes on non-essential energy-dense foods at a time when these policy options are high on the agenda in many places.