欧美国家食品包装安全体系及管理机构的特点

欧美发达国家食品包装安全管理各具特色，但也有一些共同点。法国是欧盟第一农业大国，农产品产量约占欧盟总产量1／3。美国是美洲农业大国．是农产品及食品输出的主要国家。欧美发达国家柯建的食品包装安全监控系统有以下特点：     

Food choice,health information and functional ingredients: An experimental auction employing bread

In this paper we present the results of an experimental auction conducted to examine the influence of health and nutritional information on food choice and in particular estimate consumer willingness to pay (WTP) for bread that contains functional ingredients. Employing a sandwich we find that consumers are WTP more for a whole grain and whole grain granary bread sandwich than other bread types including white bread that contains a functional ingredient. We also find that consumers react positively to the provision of nutritional and health benefit information but that this effect occurs regardless of whether we supply specific or non-specific health benefit information. We discuss information provision and health policy implications that emerge from our analysis for bread products in the sandwich market.     

Food product composition,consumer health,and public policy: Introduction and overview of special section

As efforts to improve diets in high income countries intensify, attention has turned to how policies may influence diet composition. The case studies in this special issue contribute to our understanding of how two main types of policies have influenced food product composition and dietary outcomes: (1) policies affecting food manufacturers’ input costs and (2) information policy affecting competition. Research on the first type of policy is relatively new, but suggests that US commodity policies would not be good policy instruments to influence diets, except through the long run impacts of agricultural research. Research on the impacts of information policy continues to demonstrate that it can spur food industry competition to introduce healthier products, but may not result in healthier diets. International comparisons show where the US experience may have relevance for other high income countries.     

Exciting,boring, and nonexistent skylines: Vertical building gaps in global perspective

Despite the widespread prevalence and economic importance of tall buildings, little is known about how their patterns vary across space and time. We aim to quantify differences across major world regions over time (1950–2020). To do so, we exploit novel data on the location, height (above 55 m), and year of construction of nearly all tall buildings in the world. We propose a new methodology to estimate the extent to which some world regions build up more than others given similar economic and geographic conditions, city size distributions, and other features. Our analyses reveal that many skylines may visually appear more prominent than they really are once one includes all tall buildings and core controls, which alters how regions are ranked in terms of tall building stocks. Using results by city size, centrality, height of buildings, and building function, we classify world regions into different groups, finding that tall building stocks are likely driven by boring skylines of residential high-rises, and to a lesser extent exciting skylines of skyscrapers and office towers. Finally, land-use regulations and preferences, not historical preservation nor dispersed ownership, may account for most observed differences.     

Food health risk perceptions among consumers,farmers, and traders of leafy vegetables in Nairobi

Urban and peri-urban farming and supply chains are becoming increasingly important for delivering perishable produce to the urban centers of the developing world to meet the demands of a growing population. However, some production and handling practises and a short supply chain may expose consumers to substantial health risks. This study of consumers, peri-urban farmers, and traders attempts to quantify subjective risk judgments with regard to food safety hazards, and examines the extent of discrepancies in perceived risk relating to vegetables in domestic urban markets among the three groups. A conceptual model was developed to elicit subjective risk perceptions for a multidimensional construct. In general, differences were found between respondent categories in terms of both specific source risks and overall risks. Differences were also found with respect to the socio-demographic and structural determinants of the levels of perceived risks. These findings can help improve policies to promote food safety and reduce risky food handling along the supply chain, and present opportunities for change.     

Food industry focus on diet and health

COnference on Food Policy Issues and the Food Industries, organized by the Department of Agricultural Economics and Management, University of Reading, UK, 12– September 1985     

Rethinking country effects: robotics,AI and work futures in Norway and the UK

Current debates around robotics and artificial intelligence (AI) are dominated by concerns over the threat to employment, amid widely varying estimates of potential job losses. Countries are expected to fare differently, but there is little comparative research that goes beyond analysing industry and occupational structures. This article rethinks ‘country effects’ by exploring the role of institutions and social actors in shaping technological change in Norway and the UK. Drawing upon interviews with technology experts, employer associations and trade unions, it examines their perspectives on public policy support for the development and diffusion of robotics and AI, along with potential consequences for employment, work and skills. The research indicates significant country differences and the continued relevance of institutions, interests and power in analysing country effects.     

Food distribution within the family: Evidence and implications for research and programmes

A framework for analysing intra-family distribution of food as part of the aetiology of protein-energy malnutrition of children and women is proposed in this article. Results of representative sample surveys in developing countries are reviewed; few bear directly on this issue, but it appears that misallocation of food is most likely to be an important cause of malnutrition in South Asia. Suggestions are made for the further development of information by nutritional surveillance systems and secondary analyses of survey data.     

Korea's leadership in 5G and beyond: Footprints and futures

The Korean government has played a crucial role in the development of advanced mobile networks, including 5G. Korea became the first country in the world to not only launch a nationwide 5G network but also to commercialize 5G services. In addition to looking at the steps toward 5G-related developments in Korea, this study used Latent Dirichlet Allocation (LDA) topic modeling analysis to examine how 5G-related discourse was formed in the media after its commercialization. As a result of analyzing news articles in the Korean press with 5G as the main keyword, a total of five topics were derived. Intriguingly, most topics contained several new articles related to government policies. Considering the characteristics of the mobile network industry—e.g. as an industry that receives licenses from the government—this result suggests that 5G-related issues are closely related to government policies. Our topic modeling results confirm that the interventionist promotion policy of the Korean government which acted as a catalyst for technology and business innovation played an important role in Korea's 5G leadership.     

Entry,imperfect competition,and futures market for the input

We analyze firms' entry, production and hedging decisions under imperfect competition. We consider an oligopoly industry producing a homogeneous output in which risk-averse firms face an entry cost upon entering the industry, and then compete in Cournot with one another. Each firm faces uncertainty in the input cost when making production decision, and has access to the futures market to hedge the random cost. We provide two sets of results. First, under general assumptions about risk preferences, demand, and uncertainty, we characterize the unique equilibrium. In contrast to previous results in the literature (without entry), both production and output price depend on uncertainty and risk aversion. Specifically, when entry is endogenized and the futures price is not actuarially fair, access to the futures market does not lead to separation. Second, to study the effect of access to the futures market on entry and production, we restrict attention to constant absolute risk aversion (CARA) preferences, a linear demand, and a normal distribution for the spot price. In general, the effect of access to the futures market on the number of firms and production is ambiguous.     

Food deserts and diet-related health outcomes of the elderly

It is hypothesized that residents of neighborhoods with limited access to affordable and nutritious food face greater barriers to eating a healthy diet, which may in turn, result in worse health outcomes for them. Low-income elderly in urban areas may be uniquely affected by these so-called “food deserts” due to limited transportation options, strong attachments to local neighborhoods, fixed incomes, physical limitations in food shopping and meal preparation, and chronic health problems. Using the 2006, 2010, and 2014 waves of the Health and Retirement Study (HRS), the association between the food environment of elderly individuals living in urban Census tracts and their diet-related health was examined. Within urban areas, we find little evidence that food deserts negatively impact the health of lower income elderly individuals. Policies to address the needs of elderly residents of food deserts should be narrowly targeted and carefully justified.     

The development of contract research organisations in Sweden: health care,privatisation and neo‐liberalism

This paper examines changes in local working conditions instigated by the development of contract research organisations in pharmaceutical development. These developments are seen as occurring in the context of Sweden's ‘circumscribed neoliberalization’. It is shown how staff remain ambivalent about the shifts of location and identity that these developments imply.     

Organic farming policy networks in Europe: Context,actors and variation

Despite most having developed under the umbrella of the Common Agricultural Policy (CAP), national-level organic farming policy networks in Europe vary. The aim of this paper is to explore the reasons for this variation. Quantitative network analyses were carried out in five ‘old’ and five ‘new’ EU member states and in Switzerland. To examine the patterns of influence on these 11 policy networks, the cases are compared in two stages. First, we examine the factors co-varying with the size and density of the networks and then we apply a most similar system – most different outcome research design. We identify the political environment as the main factor affecting size and density of organic farming policy networks in Europe. The distribution of power between organic farming organizations and agricultural ministries is influenced by state involvement and by the resources available to organic farming policy actors.     

Food policy options for secondary regions: A framework for applied research

Developing food systems in marginal areas and secondary regions presents a range of challenges to contemporary food policy. This article discusses what those challenges are and proposes a framework for applied research to generate appropriate policy directions. Emphasis is placed on three topics: farming systems research; technology support systems; and, administrative capacity.     

Food subsidies in Egypt: reform options,distribution and welfare

Egypt's food subsidies (in 1996/97 5.5 percent of government expenditures) cover rationed cooking oil and sugar (23 percent of subsidy cost) and unrationed bread and flour (77 percent). The subsidies enhance food security but are nontargeted and have substantial leakages. This paper uses a Computable General Equilibrium (CGE) model to simulate the short-run effects of alternative food-subsidy scenarios. Government savings from reduced spending finance uniform cuts in direct tax rates across all household types. The model uses a 1996/97 database with detailed household information. The targeting of cooking oil and sugar subsidies to “the needy” (the bottom two quintiles in rural and urban areas) has a progressive effect while elimination of this subsidy is regressive. Disaggregated household consumption changes are small (±0.3 percent). The targeting of all food subsidies is pro-needy, partly due to important indirect effects. The consumption of the needy increases by 0.5 percent with little change for the nonneedy. Food subsidy elimination is regressive: the needy suffer a consumption loss of 1.1 percent. If the government savings instead are transferred to the needy, the impact is reversed: consumption increases by 4.2 percent for needy households while the nonneedy register a small loss. The overall policy implication is that food subsidy reform can benefit the needy with at worst only a modest negative impact on the nonneedy. If the subsidy is entirely eliminated, targeted government programs would be necessary to protect the needy from the negative impact.     

Some recent methodologies in futures studies: A personal view

Everyone wishes to know what the future holds; to understand the problems ahead so that they may be able to effectively manage possible future adverse events. This need to know and to understand the future is no less real now than it has ever been, and this is particularly true of groups, organizations and institutions, which, in a world of considerable flux, feel particularly vulnerable if they are not aware of the vital forces at work affecting their own fortunes. Consequently, a number of attempts have been made in the recent past to develop ways to become better informed about particular futures for specific needs. These improvements in ways of looking at the future will inevitably continue to develop. Organizational plans will become increasingly dependent upon such studies, and management, particularly R&D management, will need to be able to judge the value of such studies carried out on its behalf just as informed management attempts to assess, for example, the value of economic, market, manpower or raw materials forecasts. The intended purpose of this paper is to reduce some of the ‘futures studies’ mystique and to provide management with a feel for what can be done now as a result of forward thinking. That is, the intention is: —to introduce the concept of a futures study (why forecast?); —to suggest what it should encompass (what to ask for); —to describe some of the more useful methods together with suggested advantages and disadvantages (what are the tools?); —to recommend the type of analysis of a futures study which generates maximum effectiveness in the planning process. It is worth repeating that the emphasis in this paper is placed upon the use to which a good futures study can be put, if effectively commissioned, analysed and implemented.