Optimal quality threshold of admission in a two-sided farmers’ market

We develop a two-sided model for a farmers’ market where farmers value the number of consumers, and consumers value the number of farmers and the average product quality in the market. Consumer preference over product quality provides an incentive for the farmers’ market to exclude farmers of the lowest product quality. Using the model, we identify what factors the farmers’ market has to consider in determining the optimal quality threshold of admission, an issue that has not received any formal study. Those factors include the network effects between farmers and consumers, consumer preference over product quality and variety, and the quality spread among farmers. We also outline an empirical estimation strategy in order to make use of the model developed in this study.     

Water allocation,crop choice,and priority services

We analyze the problem of allocating irrigation water among heterogeneous farmers when water supply is stochastic. If farmers are risk-neutral, a spot market for water is efficient; while the oft-used uniform rationing system is inefficient, both ex ante and ex post. Indeed, we show that it leads farmers to overexpose to risk, thus making shortages more severe and more frequent in case of drought. We propose instead a regulation by priority classes extending Wilson, and we derive an efficiency result. We characterize the set of farmers that would win or lose from such a reform. We also argue that a system of priority classes may be preferred to a spot market system, because scarcity is easier to manage ex ante than ex post, and because this system facilitates the supply of insurance to risk-averse agents.     

Valuing scenic amenity using life satisfaction data

The life satisfaction approach has recently emerged as a new technique in the suite of options available to non-market valuation practitioners. Employing data from the Household, Income and Labour Dynamics in Australia (HILDA) survey and Geographic Information Systems (GIS), this paper examines the influence of scenic amenity on the life satisfaction of residents of South East Queensland (SEQ), Australia. Measuring scenic amenity on a 10-point scale, it is found that, on average, a respondent is willing-to-pay approximately AUD$14,000 in household income per annum to obtain a one-unit improvement in scenic amenity. However, on closer inspection, we find that the relationship between willingness-to-pay and the level of scenic amenity is not linear. To our knowledge, this is the first paper to value scenic amenity using the life satisfaction approach and is the first paper to use this approach to value any type of environmental good or service in SEQ. As such, this paper represents a genuine contribution to a small, yet growing, body of literature.     

论农民作为市场主体的相对性

在有关农村市场问题的研究中, 一般都从理论上直接赋予了农民的市场主体资格。这 实际上是过高地估计了目前农民进入市场的程度和农民在市场经济中的地位。 因此,本文从我 国实际出发,提出并论证了“农民作为市场主体的相对性”①,说明农民并没有完全进入市场, 在进入市场时也没有取得应有的平等地位等等,并认为这是我国农村市场发育的主要障碍之一。     

The role of agricultural cooperatives in sustaining the wheat diversity and productivity: the case of southern Italy

We hypothesize that institutions such as agricultural cooperatives influence regional levels of variety diversity through input supply, processing or marketing functions. This diversity can also affect yield, a partial measure of crop productivity. We test these hypotheses with data from southern Italy, a mega-diversity spot and centre of diversity for durum wheat. Cooperatives in the southern regions of Italy process farmers’ harvests of durum wheat into bread, label it, and sell it locally. In this relatively marginalized region of the country, cooperatives enable farmers to capture more of the value of the final product and reduce marketing costs. To test the hypothesis, we apply a two-stage estimation approach with a Cobb-Douglas production function and panel data analysis. Findings suggest that the density of cooperatives in a region is associated with greater spatial diversity in wheat varieties grown, and that, over a 14-year period, this diversity positively affected crop yields.     

An econometric analysis of willingness-to-pay for sustainable development: A case study of the Vol?ji Potok landscape area

When the market for a certain good is competitive enough, economic activities can be studied by the market pricing mechanism. Because this is usually not feasible in case of environmental goods with embodied natural and cultural heritage, particular methods for economic valuation of such goods have to be applied. The present article represents the economic valuation of the Landscape Development and Protection Area of Vol?ji Potok, which is an important Slovenian cultural landscape area with internationally recognized qualities. For this purpose we combined classical contingent valuation with a closed-version of discrete choice method, where the protest responses have been removed. By using econometric analysis we obtained the value of willingness-to-pay and established its determinants. We also made an attempt to control for different biases that arise in such analyses. At last, we used the adjusted average individual value of willingness-to-pay to calculate the aggregate willingness-to-pay. The present analysis represents one of the very few applications of the method to Central and Eastern European countries.     

基于波特模型的农民专业合作社竞争力分析

20世纪90年代初开始,在全国掀起的以农民专业合作社为组织的农业产业化经营热潮成功地缓解了农民小生产与大市场的矛盾,但农民专业合作社竞争力尚未能从根本上改变农民在市场交易中的弱势地位,农民仍然无法分享产业链条中的加工增值和销售利润。文章以农民专业合作社为研究对象,寻找影响农民专业合作社在社会主义市场经济中的各种竞争因素,以提升农民专业合作社竞争力。     

Physical energy cost serves as the “invisible hand” governing economic valuation: Direct evidence from biogeochemical data and the U.S. metal market

Energy supply is mandatory for the production of economic value. Nevertheless, tradition dictates that an enigmatic “invisible hand” governs economic valuation. Physical scientists have long proposed alternative but testable energy cost theories of economic valuation, and have shown the gross correlation between energy consumption and economic output at the national level through input-output energy analysis. However, due to the difficulty of precise energy analysis and highly complicated real markets, no decisive evidence directly linking energy costs to the selling prices of individual commodities has yet been found. Over the past century, the US metal market has accumulated a huge body of price data, which for the first time ever provides us the opportunity to quantitatively examine the direct energy-value correlation. Here, by analyzing the market price data of 65 purified chemical elements (mainly metals) relative to the total energy consumption for refining them from naturally occurring geochemical conditions, we found a clear correlation between the energy cost and their market prices. The underlying physics we proposed has compatibility with conventional economic concepts such as the ratio between supply and demand or scarcity's role in economic valuation. It demonstrates how energy cost serves as the “invisible hand” governing economic valuation. Thorough understanding of this energy connection between the human economic and the Earth's biogeochemical metabolism is essential for improving the overall energy efficiency and furthermore the sustainability of the human society.     

我国农业生产中技术与人力资本的挤出与我国城乡的二元经济

本文研究我国农业生产中技术与人力资本挤出的原因、过程和机理,分析农业技术与人力资本在农业经济中的内生条件.以此思路,研究和理解我国城乡二元经济的特征、原理和主要表现等问题.本文指出,我国目前存在的城乡二元经济,其实质是农村不能充分融入现代市场经济;资本(包括人力资本)和技术要素在农业经济中不能实现它们在一般市场中的效率和价值;农民不能充分享有经济发展的机会和权利.     

Equity market valuation,systematic risk and monetary policy

This study examines the relationship between equity market valuation and risk indicators that portend economic downswings. The indicators are implied options volatility, Treasury-Eurodollar (TED) spread and exchange rate. While implied volatility captures market risk in that it reflects the fear factor embedded in the price of an option, TED spread reflects the default risk premium that is priced into a key short-term credit instrument. Equity markets often show a tendency to reflect the incidence of these risk factors. And because they provide valuable information about the health of the economy, many have argued that equity market valuation be taken into account in the formulation of monetary policy. Results of this study not only show a statistically significant inverse relationship between the stock market and these risk factors, but also evidence of a cointegration. In a variance decomposition of the series, we find that equity valuation is a major contributor to the forecast error variances of each of the risk indicators, a finding that lends tacit support to the argument that risk indicators associated with the equity market be considered in monetary policy decisions.     

Integrating public demands into model-based design for multifunctional agriculture: An application to intensive Dutch dairy landscapes

The contribution of agriculture to the welfare of society is determined by its economic, social and environmental performance. Although theoretical discussions can be found in the literature, few reports exist that integrate the social demand for multifunctional agriculture in the evaluation of the sustainability and the global welfare of society. This paper presents a methodology that combines economic valuation, integrated modelling, stakeholder analysis, and multi-criteria evaluation. It consists of three steps to determine: (1) social demands for multifunctional agriculture; (2) feasible technical alternatives available from the supply part of the market; (3) the net utility of alternatives for society measured as the change in social net benefit, i.e. the sum of changes compared to the current situation expressed in utility of market and non-market net benefits. Market net benefits are represented by their monetary value. Quality Function Deployment combined with Analytic Network Process (QFD/ANP) were used to estimate the non-market net benefits. The methodology is applied to the case study of a dairy-farming based agricultural landscape in the Northern Friesian Woodlands, The Netherlands. Social net benefit depended on land use, i.e. pasture management regimes on each of the agricultural fields and on presence or absence of hedgerows around the fields. Changes in market net utility were expressed in terms of changes for farmers, consumers and government. Changes in non-market net utility were expressed in terms of changes in landscape quality, nature value and environmental health for Dutch society as a whole, as estimated from European public surveys (Eurobarometer). The complete solution space defined by the market and non-market net benefits of landscapes with alternative patterns of land use was estimated to offer insight in the trade-off between market and non-market performance and enable selection of ‘icon’ landscapes to target or avoid. Improvement of the current landscape towards the social optimum would involve changes in pasture management resulting in higher gross margin for farmers, slightly relaxing current environmental restrictions, which could be reached at lower levels of subsidies in agri-environmental programs. In addition to such overall optimum the results demonstrate the trade-off between market and non-market benefits and the characteristics of current, utopian and dystopian landscapes. The approach provides an alternative to current economic valuation methods which focus on assessment of economic value as an input to analysis. Here, economic value emerges as the trade-off between market and non-market functions which is an output of the analysis.     

Interview Effects in an Environmental Valuation Telephone Survey

Because of the lack of markets for many environmental services, economists have turned to valuation surveys to estimate the value of these services. However, lack of market experience may cause respondents in valuation surveys to be more prone to interview effects than they would be with other opinion surveys. Without reference to market price or experience, respondents are less likely to have well-defined preferences, which may cause respondents to be more easily influenced by the interview process and characteristics of the interviewer. In this paper, we investigate interview effects in a random digit dial telephone survey of recycling valuation and behavior. Following previous research in both psychology and survey methodology, we test the direct effects of interviewer gender and race, as well as the interaction effects between interviewer and respondent characteristics. Using data from 130 interviewers and 1,786 interviewees, we apply a hierarchical regression model that accounts for the clustering of interviews and controls for a variety of other confounding variables. We confirm the existence of both direct and conditional interviewer effects. Respondents state higher willingness to pay when interviewed by white or female interviewers than by non-white or male interviewers. There were also significant interaction effects between interviewer and respondent characteristics. The directions of the interviewer effects are consistent with previous survey research and social psychology theories. We also identify some non-traditional interview process factors that have an influence on survey responses.     

制度背景、股权性质与公司持有现金价值

本文借鉴Fama和French(1998)经典企业价值回归模型的思想,实证分析了我国上市公司持有现金的市场价值。结果表明,就我国上市公司整体而言,公司持有现金的价值小于账面价值。进一步研究表明,公司持有现金的价值受公司股权性质的影响,公司的国有股权性质降低了公司持有现金的价值。本文从公司持有现金价值的视角进一步说明我国投资者法律保护程度偏低,上市公司中代理问题严重,也为我国上市公司的自由现金流假说与掏空行为提供了证据。     

Five proposals for a European model of the countryside

The inability of European institutions to reform the common agricultural policy is a landmark case of political failure. The CAP has led to several policy failures. It helps mainly the well-off farmers in a very wasteful way; it provides excessive incentives for non-competitive primary commodities, specialization and intensification, with adverse impacts on rural natural resources. Economic principles support long-term programmes aimed only at market failures: the respect of environmental norms and the provision of rural public goods in line with society's demands. While not interfering with market mechanisms, the instruments we propose acknowledge the diverse economic potential of European rural areas and the variety of goods and services provided by the rural space. Political feasibility and social concerns may require a transitory period of direct income support for current farmers. We argue, however, against any direct payments for new farmers in order to prevent future dependence on public support.
Large established farmers are those who stand to lose the most from our proposals. However, they and those who represent them have to face the inefficiencies of the current policy and society's demands. Farmers deserve rewards from public funds for the rural public goods they provide, but these rewards should be decoupled and targeted. A profound reform is required if we are to preserve a 'European model of the countryside'.     

African farmers’ market organizations and global value chains: competitiveness versus inclusiveness

Abstract

This conceptual paper discusses the challenges smallholder producer cooperatives in developing countries face while trying to access agricultural global value chains. We assess the problem of competitiveness related to lack of commitment and improper selection. Prioritization of open membership over selection is generally taken for granted in the policy debate on farmers’ market organizations (FMOs). We argue that open membership may work in community-driven organizations, however, it becomes a major threat for entrepreneurial FMOs. Inclusion facilitates free riding, which forms a barrier for investments of members. This is one of the major reasons why so many of these organizations are so much resource constrained, i.e. are not able to compete in the market without external support. FMOs should take targeting and selection serious if entrepreneurial activities are intended. Otherwise, they miss the opportunity to create a committed member base willing to invest in a potentially competitive organization.     

The recreational value of coral reefs: A meta-analysis

Coral reefs are highly productive ecosystems that provide a variety of valuable goods and services, including recreational opportunities. The open-access nature and public good characteristics of coral reefs often result in them being undervalued in decision making related to their use and conservation. In response to this, there now exists a substantial economic valuation literature on coral reefs. For the purposes of conducting a meta-analysis of this literature, we collected 166 coral reef valuation studies, 52 of which provided sufficient information for a statistical meta-analysis, yielding 100 separate value observations in total. Focusing on recreational values, we use US$ per visit as the dependent variable in our meta-analysis. The meta-regression results reveal a number of important factors in explaining variation in coral reef recreational values, notably the area of dive sites and the number of visitors. Different valuation methods are shown to produce widely different values, with the contingent valuation method producing significantly lower value estimates. Using a multi-level modelling approach we also control for authorship effects, which proves to be highly significant in explaining variation in value estimates. We assess the prospects for using this analysis for out-of-sample value transfer, and find average transfer errors of 186%. We conclude that there is a need for further high-quality valuation research on coral reefs.     

A Study of Property Valuations in Relation to Market Prices and the Characteristics of Properties*

Using data on some 1400 properties in Sydney, Australia, the paper examines the extent to which valuations reflect market prices and the characteristics of properties. Valuations of houses are found to be poorly related to market prices. Furthermore, although valuations of houses can be explained in terms of property characteristics, they are found to be less sensitive than market prices to variations in these characteristics. Land valuations are also analyzed and it is shown that these can be explained in terms of ‘land’ characteristics including environmental factors. The paper concludes that quantitative models relating valuations to the characteristics of properties could reduce the often arbitrary nature of the valuation process.     

基于熵权模糊物元模型的创新型企业价值评估

以国家级创新型企业为研究对象,结合创新型企业价值评估理论基础,构建了包含企业创新能力指标的企业价值评估体系,并运用熵权模糊物元综合评价方法和PB/PE估值法评估创新型企业价值。结果显示,创新能力指标在创新型企业价值评估中的权重高于其他指标,显示了创新能力对创新型企业价值评估的重要性;PE估值法能够降低创新型企业的行业/企业间差异,避免企业创新驱动下的增长不确定性引起的市场价值偏离,其估值结果更接近于创新型企业的实际价值。     

A Cross-Country Comparison of Okun's Coefficient

In this paper Okun's law is tested for the G7 countries in order to compare the responsiveness of unemployment to economic growth. Cyclical unemployment and output are extracted using Harvey's structural time series model. Okun's coefficient is estimated by OLS, rolling OLS, and SUR. The coefficient seems to be highest for North America and lowest for Japan, a result that can be explained in terms of differences in labor market rigidities. The rising absolute value of the coefficients over time indicated by the results of rolling OLS is explained in terms of labor market reform.J. Comp. Econom.,June 1997,24(3), pp. 335–356. La Trobe University, Bundoora, Victoria 3083, Australia.     

Quality upgrading in Ethiopian dairy value chains: dovetailing upstream and downstream perspectives

Abstract

In this article, we analyze opportunities and constraints for upgrading product quality in the dairy value chain in Ethiopia. Our analysis is based on an integrated understanding of supply chain performance both from producer and from consumer perspectives. We outline as main drivers for quality upgrading: (a) factors that influence producers’ willingness to invest toward intensification by smallholder dairy farmers and cooperatives and (b) factors that induce consumer’s willingness to pay for healthy and nutritious dairy products delivered at specific retail outlets. Since there are large gaps between upstream producers incentives and downstream consumers motives, possibilities for dairy quality upgrading remain fairly limited. Given this market structure, decisive policy support is required for better tailoring producer’s investments with consumer preferences.