profits and poverty certification s troubled link for nicaragua s organic and fairtrade coffee producers abstract governments donors and ngos have promoted environmental and social certification schemes for coffee producers as certified market channels are assumed to offer higher prices and better incomes additionally it is presumed that these certifications contribute to poverty reduction of smallholders yet gross margins profits and poverty levels of certified smallholder coffee producers have not yet been quantitatively analyzed applying random sampling techniques our quantitative household survey of 327 randomly selected members of conventional organic and organic fairtrade certified cooperatives in nicaragua is complemented by over a hundred qualitative in depth interviews the results show that although farm gate prices of certified coffees are higher than of conventional coffees the profitability of certified coffee production and its subsequent effect on poverty levels is not clear cut per capita net coffee incomes are insufficient to cover basic needs of all coffee producing households certified producers are more often found below the absolute poverty line than conventional producers over a period of ten years our analysis shows that organic and organic fairtrade farmers have become poorer relative to conventional producers we conclude that coffee yield levels profitability and efficiency need to be increased because prices for certified coffee cannot compensate for low productivity land or labor constraints

the economics of smallholder organic contract farming in tropical africa summary the paper examines the revenue effects of certified organic contract farming for smallholders and of adoption of organic agricultural farming methods in a tropical african context the comparison in both cases is with farming systems that are organic by default survey data from a large organic coffee contract farming scheme in uganda are reported and analyzed using a standard ols regression and a full information maximum likelihood fiml estimate of the heckman selection model the analysis finds that controlling for a range of factors there are positive revenue effects both from participation in the scheme and more modestly from applying organic farming techniques

semi nonparametric distribution free dichotomous choice contingent valuation abstract we apply a semi nonparametric distribution free estimator for binary discrete response data to the estimation of a dichotomous choice contingent valuation model using this estimator mean and median compensating and equivalent variation can be consistently estimated without making nontheoretically motivated assumptions on consumer preferences the approach is illustrated using a contingent valuation survey of willingness to pay for reduction of risk of premature death due to exposure to hazardous waste we find that a conventional parametric estimator and the proposed estimator give similar estimates of unconditional wtp but that conditional on explanatory variables the estimates are quite different

infrastructure and development a critical appraisal of the macro level literature this survey reviews the existing macro level empirical literature on the link between infrastructure and development outcomes in a critical light after providing a general framework that casts the relevant terms of the controversy on the real effect of infrastructure on growth in the context of an aggregate production function it signals what are the relevant empirical questions to be addressed this guides the systematic review of a number of empirical studies and the discussion of the main econometric challenges to the identification of the effect of infrastructure on output and productivity finally building on related research in particular in contract theory and political economy the paper spells out several promising research avenues

agrifood supply chain private sector standards and farmers health evidence from kenya this article evaluates the impact of adoption of european union eu private sector standards on farmers health in rural kenya the study utilizes cross sectional farm household level data collected in 2006 from a randomly selected sample of 439 small scale export farmers we estimate the casual impact by utilizing a two stage poisson regression model two stage standard treatment effect model as well as by regression based on propensity score to assess the robustness of the results using these techniques we demonstrate that the pesticide ascribed incidence of acute illness symptoms and the associated cost of illness significantly decrease with the adoption of standards ceteris paribus farmers who adopt standards experience 70 lesser incidence of acute illness and spent about 50 60 less on restoring their health than nonadopters although standards can potentially prevent resource poor smallholders from maintaining their position in lucrative export markets they can also result in positive changes in the health of those farmers who do adopt them as shown by these results this implies that if adopted on a large scale standards may reduce production externalities corroborating the view that they may serve as a catalyst to transform production systems in developing countries

the economics of poverty traps and persistent poverty an asset based approach abstract longitudinal data on household living standards open the way to a deeper analysis of the nature and extent of poverty while a number of studies have exploited this type of data to distinguish transitory from more chronic forms of income or expenditure poverty this paper develops an asset based approach to poverty analysis that makes it possible to distinguish deep rooted persistent structural poverty from poverty that passes naturally with time due to systemic growth processes drawing on the economic theory of poverty traps and bifurcated accumulation strategies this paper briefly discusses some feasible estimation strategies for empirically identifying poverty traps and long term persistent structural poverty as well as relevant extensions of the popular foster greer thorbecke class of poverty measures the paper closes with reflections on how asset based poverty can be used to underwrite the design of persistent poverty reduction strategies

fifty years of trade policy the policy lessons f ive major lessons for successful global trade management defined as steady reductions in barriers and maintenance of an effective rules based system emerge from the first fifty years of the gatt wto they need to be applied to the present situation to set the stage for another half century of successful multilateral trade cooperation i will summarise the key headings at the outset and then elaborate each concluding with proposals for the wto agenda for the early part of the twenty first century

food security gender and occupational choice among urban low income households this paper examines an adaptive strategy using occupational choice that can be undertaken by household members in urban poor areas to help ensure their access to food our investigation focuses on self employed women and men in 14 predominantly slum communities in bolivia ecuador philippines and thailand results of our empirical analysis show that choice of business is associated with household vulnerability to food insecurity with women in vulnerable households likely to engage in food enterprises the findings suggest that urban low income households can mitigate the risk of food shortage through the selection of an enterprise activity that earns money income and is a direct source of food for consumption

generalized additive models for nonmarket valuation via revealed or stated preference methods single site recreation demand and dichotomous choice contingent valuation analyses are typically conducted by implementing models containing strong parametric assumptions which are rarely underpinned by theoretical arguments this work illustrates how these assumptions can be relaxed and the estimation conducted semiparametrically by using generalized additive models gams this approach directly estimates the degree of the variables nonlinearities from the data thereby avoiding subjective choices on the smoothing parameters and offering many advantages when compared to the conventional modeling techniques that dominate the environmental economics literature additionally this paper illustrates how gams can be specified to construct theoretically consistent willingness to pay measures jel c14 q51

optimal bid selection for dichotomous choice contingent valuation surveys abstract this paper develops a model for optimal survey design for the dichotomous choice contingent valuation method that finds the bid amounts as well as the sample sizes corresponding to each bid the model uses an iterative procedure to select the survey design that minimizes the mean square error of the welfare measure a set of monte carlo simulations shows that the model produces significantly lower mean squared errors for the welfare estimate than the next best model produces survey design under alternative assumptions regarding the statistical distribution of the welfare measure is also addressed the model produced significantly different survey designs depending on whether the distribution was assumed to be symmetric or asymmetric

counting and multidimensional poverty measurement this paper proposes a new methodology for multidimensional poverty measurement consisting of an identification method k that extends the traditional intersection and union approaches and a class of poverty measures m our identification step employs two forms of cutoff one within each dimension to determine whether a person is deprived in that dimension and a second across dimensions that identifies the poor by counting the dimensions in which a person is deprived the aggregation step employs the fgt measures appropriately adjusted to account for multidimensionality the axioms are presented as joint restrictions on identification and the measures and the methodology satisfies a range of desirable properties including decomposability the identification method is particularly well suited for use with ordinal data as is the first of our measures the adjusted headcount ratio we present some dominance results and an interpretation of the adjusted headcount ratio as a measure of unfreedom examples from the us and indonesia illustrate our methodology

a new paradigm for valuing non market goods using referendum data maximum likelihood estimation by censored logistic regression abstract this paper challenges the w m hanemann amer j agr econom 66 332 341 1984 and c sellar j p chavas and j r stoll j environ econom management 13 382 390 1986 utilizations of logit models to estimate the value of non market resources from referendum survey data these data are more informative than conventional choice data the random utility interpretation of logit models is therefore too restrictive bypassing the utility function entirely it will be shown that parameters and standard errors for utility theoretic inverse hicksian demand functions can be extracted directly and much more simply estimated demand functions need not be limited to those corresponding to the linear in parameters utility difference specifications which can be handled by packaged logit programs

the irrelevance of national strategies rural poverty dynamics in states and regions of india 1993 2005 summary examining panel data for more than 13 000 rural indian households over the 12 year period 1993 94 to 2004 05 shows that two parallel and opposite flows regularly reconfigure the national stock of poverty some formerly poor people have escaped poverty concurrently some formerly non poor people have fallen into poverty these simultaneous inward and outward flows are asymmetric in terms of reasons one set of reasons is associated with the flow into poverty but a different set of reasons is associated with the flow out of poverty both sets of reasons vary considerably across and within states no factor matters consistently across all states of india standardized national policies do not represent the best use of available resources diverse threats and different opportunities must be identified and tackled at the sub national level

biofuels and food security micro evidence from ethiopia abstract there is considerable controversy about the impact of biofuels on food security in developing countries a major concern is that biofuels reduce food security by increasing food prices in this paper we use survey evidence to assess the impact of castor production on poor and food insecure rural households in ethiopia about 1 3 of poor farmers have allocated on average 15 of their land to the production of castor beans under contract in biofuel supply chains castor production significantly improves their food security they have fewer months without food and the amount of food they consume increases castor cultivation is beneficial for participating households food security in several ways by generating cash income from castor contracts they can store food for the lean season castor beans preserve well on the field which allows sales when farmers are in need of cash or food spillover effects of castor contracts increases the productivity of food crops increased food crop productivity offsets the amount of land used for castor so that the total local food supply is not affected

effect of certified organic production systems on poverty among smallholder farmers empirical evidence from kenya summary this study evaluates the effect of certified organic production on poverty in smallholder production systems data was collected from cross sectional survey of local market oriented peri urban vegetable and rural honey producers in kenya poverty was measured using the multidimensional poverty methodology and endogenous switching probit model used to assess the effect of certified organic production on multidimensional poverty findings were that certified producers were less likely to be multidimensional poor compared to their counterfactual case of not participating in organic certification schemes additionally noncertified producers would be less likely to be poor if they were to participate in organic certification production

the effect of male migration on employment patterns of women in nepal what is the impact of male migration on the labor market behavior of women in nepal the instrumental variable full information maximum likelihood method is applied to data from the 2004 nepal household survey to account for unobserved factors that could simultaneously affect men s decision to migrate and women s decision to participate in the labor market the results indicate that male migration has a negative impact on the level of the labor market participation by women in the migrant sending household there is evidence of substantial heterogeneity based on both observable and unobservable characteristics in the impact of male migration the findings highlight the important gender dimension of the impact of predominantly male migration on the well being of sending households strategies for economic development in nepal should take into account such gender aspects of the migration dynamics

proliferating regional trade arrangements why and whither this paper investigates why regional trade arrangements rtas are proliferating extensively and how the effects of multiple rtas by interacting with each other evolve over time our empirical analysis based on an extended gravity model utilising a large panel dataset of 175 countries from 1948 to 1999 shows that rtas on average increase global trade by raising intra bloc trade without damaging extra bloc trade the net trade effects however heavily depend on the types of rta strategic evolution over time which we categorise as expansionary rtas duplicate rtas or overlapping rtas we find that countries excluded from an rta can benefit more from duplicating a separate rta than from joining an existing rta this result explains why the number of bilateral trade blocs rather than the membership size of existing rtas is currently exploding we also find that the net trade creating effects of rtas are substantially lower for countries participating in overlapping rtas this result suggests that it is less likely that the currently proliferating rtas will completely merge and lead the world economy to global free trade our empirical results are robust to controlling for the characteristics of countries that may influence the impact of rtas

welfare estimation using the fourier form simulation evidence for the recreation demand case the paper considers the estimation of welfare measures when the functional form of demand is unknown an adaptation of an argument of gallant 1987 is used to show that welfare estimators based on a fourier functional form for demand will be consistent under weak assumptions simulation evidence is presented for equivalent variation true demand is a generalized box cox function estimated demand is a fourier form and equivalent variation is estimated by applying vartia s 1983 algorithm to the estimated demand function the estimator of equivalent variation has small asymptotic bias in the case of the assumed family of data generating processes

spatial patterns of organic agriculture adoption evidence from honduras in low potential agricultural areas like the honduran hillsides characterized by soil degradation and erosion organic agriculture can provide a means to break the downward spiral of resource degradation and poverty we use original survey data to analyze the factors influencing the decision to convert to organic agriculture previous studies have emphasized the role of spatial patterns in the diffusion and adoption of agricultural technologies in general and organic agriculture in particular these spatial patterns can result from a variety of underlying factors in this article we test various potential explanations including the availability of information in the farmer s neighborhood social conformity concerns and perceived positive external effects of the adoption decision in a spatially explicit adoption model we find that farmers who believe to act in accordance with their neighbors expectations and with greater availability of information in their neighborhood network are more likely to adopt organic agriculture furthermore perceived positive productivity spillovers to neighboring plots decrease the probability of adoption we discuss the implications of our findings for the dissemination of sustainable agricultural technologies in low potential agricultural areas in developing countries

poverty reduction effects of agricultural technology adoption a micro evidence from rural tanzania abstract this article evaluates the impact of adoption of improved pigeonpea technologies on consumption expenditure and poverty status using cross sectional data of 613 households from rural tanzania using multiple econometric techniques we found that adopting improved pigeonpea significantly increases consumption expenditure and reduces poverty this confirms the potential role of technology adoption in improving household welfare as higher incomes translate into lower poverty this study supports broader investment in agriculture research to address vital development challenges reaching the poor with better technologies however requires policy support for improving extension efforts access to seeds and market outlets that stimulate adoption

the economic sustainability of certified coffee recent evidence from mexico and peru consumers increasingly act on preferences for a more just and sustainable world by purchasing certified agricultural products using survey data from coffee growers in mexico and peru we explore the economic sustainability of certified coffee looking at conventional fair trade organic and rainforest alliance certified growers the analysis reveals that yields rather than price premiums are most important for increasing net cash returns for coffee growing households given the link between net returns and producer participation in certified coffee schemes the findings suggest that certification norms that permit improving yields are essential for improving grower welfare and attracting and maintaining growers

commercialization of the small farm sector and multidimensional poverty abstract global poverty rates have declined considerably but the number of people living in extreme poverty remains high many of the world s poor are smallholder farmers agricultural commercialization meaning a shift from subsistence to more market oriented farming can play a central role in improving smallholder welfare previous studies evaluated the impact of agricultural commercialization on income poverty but whether income gains from commercialization are really used for satisfying basic needs was hardly analyzed up till now here we evaluate the effect of commercialization on income poverty as well as on the multidimensional poverty index that looks at deprivations in terms of education nutrition health and other dimensions of living standard using data from 805 farm households in kenya we estimate average treatment effects and also analyze impact heterogeneity with quantile regressions results show that commercialization reduces both income poverty and multidimensional poverty the magnitude of the income gains is positively correlated with income level meaning that market linkage support for marginalized farms may be needed to avoid rising inequality however the effect in terms of reducing basic needs deprivations is stronger for the poorest households suggesting that agricultural commercialization contributes effectively to achieving the sustainable development goals

will they buy it the potential for marketing organic vegetables in the food vending sector to strengthen vegetable safety a choice experiment study in three west african cities abstract considering the hazardous use of synthetic pesticides in vegetable production in urban west africa this research investigated the marketing potential of organic vegetables in the food vending sector of cotonou benin accra ghana and ouagadougou burkina faso certified organic production and marketing was examined as a potential strategy to improve chemical food safety a stratified random sampling strategy was applied to study the preferences of food vendors n 180 and consumers n 360 vegetable use risk perception choice preferences and willingness to pay wtp for organic certification were specifically analyzed the results showed that awareness of chemical contamination risks was generally low appearance of a product was central to vendor choice consumers attributed similar utility to taste and organic certification consumer wtp was calculated to be a premium of 1 04 usd per plate if the food served contained only certified organic vegetables in restaurants this would mean an average premium of 19 for a meal if certified organic vegetable production is to make a positive impact on food safety in urban west africa we suggest concentrating marketing efforts on the educated elite who frequent restaurants however considering that restaurant owners exhibited a lower preference for organic certification than lower class food vendors the marketing situation is difficult we therefore conclude that demand from the food vending sector alone will not institutionalize domestic certification mechanisms this underlines the need for public commitment to facilitating such change

food standards certification and poverty among coffee farmers in uganda summary voluntary standards are gaining in importance in global markets for high value foods we analyze and compare impacts of three sustainability oriented standards fairtrade organic and utz on the livelihoods of smallholder coffee farmers in uganda using survey data and propensity score matching with multiple treatments we find that fairtrade certification increases household living standards by 30 and reduces the prevalence and depth of poverty for the other two certification schemes no significant impacts are found several factors that can explain differential impacts are discussed overly general statements about the effects of sustainability standards on smallholder livelihoods may be misleading

agrifood industry transformation and small farmers in developing countries summary this article introduces this special issue on the rapid transformation of the agrifood industry in developing countries and its effects on small farmers we review the literature from the late 1980s to the present and find evidence first of food processing then retail transformation and mixed evidence of impacts on small farmers both inclusion particularly with resource providing contracts and exclusion sometimes from scale constraint sometimes from inadequate non land assets the special issue papers contribute to the debate by confirming the mix of cases of inclusion and exclusion the cases are main in horticulture and dairy key hopes for smallholder development

the evolving role of agriculture in poverty reduction an empirical perspective abstract the role of agriculture in development remains much debated this paper takes an empirical perspective and focuses on poverty as opposed to growth alone the contribution of a sector to poverty reduction is shown to depend on its own growth performance its indirect impact on growth in other sectors the extent to which poor people participate in the sector and the size of the sector in the overall economy bringing together these different effects using cross country econometric evidence indicates that agriculture is significantly more effective in reducing poverty among the poorest of the poor as reflected in the 1 day squared poverty gap it is also up to 3 2 times better at reducing 1 day headcount poverty in low income and resource rich countries including those in sub saharan africa at least when societies are not fundamentally unequal however when it comes to the better off poor reflected in the 2 day measure non agriculture has the edge these results are driven by the much larger participation of poorer households in growth from agriculture and the lower poverty reducing effect of non agriculture in the presence of extractive industries

certified organic agriculture in china and brazil market accessibility and outcomes following adoption abstract based on three case studies in china and brazil this paper explores the terms of access for farmers participation in certified organic agriculture oa and investigates the influence of adoption on productivity nutrient budgets income and labour use small scale farmers converting to oa require substantial external production related marketing and certification support access to oa was strongly dependent upon the type of support available to farmers organization based on a contract farming model resulted in oa only being an option available to a narrow group of farmers whilst oa initiated by a farmer cooperative provided better access gross output was significantly higher for oranges whilst for the other crops gross output was similar however organic farmers in china felt that adoption had improved prices incomes and market access farmers perception of improved incomes is probably due to improved market access coupled with either a large production base production intensification and production diversification this study demonstrates that organization of farmers and the manner in which this is structured is crucial for external support to have an effect thus oa may be a development path for small farmers if the supporting structures are provided at a small financial interest rate

robust multidimensional spatial poverty comparisons in ghana madagascar and uganda spatial poverty comparisons are investigated in three african countries using multidimensional indicators of well being the work is analogous to the univariate stochastic dominance literature in that it seeks poverty orderings that are robust to the choice of multidimensional poverty lines and indices in addition the study seeks to ensure that the comparisons are robust to aggregation procedures for multiple welfare variables in contrast to earlier work the methodology applies equally well to what can be defined as union intersection and intermediate approaches to dealing with multidimensional indicators of well being furthermore unlike much of the stochastic dominance literature this work computes the sampling distributions of the poverty estimators to perform statistical tests of the difference in poverty measures the methods are applied to two measures of well being the log of household expenditures per capita and children s height forage z scores using data from the 1988 ghana living standards study survey the 1993 national household survey in madagascar and the 1999 national household survey in uganda bivariate poverty comparisons are at odds with univariate comparisons in several interesting ways most important it cannot always be concluded that poverty is lower in urban areas in one region compared with that in rural areas in another even though univariate comparisons based on household expenditures per capita almost always lead to that conclusion

evaluating the effect of alternative risk communication devices on willingness to pay results from a dichotomous choice contingent valuation experiment two versions of a contingent valuation questionnaire that differ only in the device used to communicate risks from hazardous waste were sent to california households both risk communication devices provide wtp functions which vary in a statistically significant fashion with the absolute risk reduction however these empirical results also demonstrate that different risk communication devices produce statistically different logit equations and hence estimates of willingness to pay wtp for reductions in exposure to hazardous waste the pros and cons of using each risk communication device in cvm surveys is also discussed

free trade areas in east asia discriminatory or non discriminatory ver the past decade we have witnessed the worldwide proliferation ofregional trade arrangements rtas even after the launch of the wtomultilateral trading system rtas have continued to spread however there havebeen marked variances across regions in terms of the degree to which regionaltrade integration has been carried out the east asian region is characterised bythe dearth of rtas regional integration moves have involved merely partial orloosely institutionalised groupings i e afta asean free trade area andapec asia paci c economic cooperation in particular the major three eastasian countries china japan and korea have tended to bypass the prevalenttrend of regionalism and instead have generally preferred multilateral trade liberal isation approaches under the gatt and wto regulations regarding rtas their stance against regionalism has mainly been for the following reasons i relative predominance of interregional trade and investment relations overintraregional transactions ii historical animosities stemming from the legaciesof japanese colonialism iii lack of central leadership and iv diversities inculture race language and level of economic development within the region in recent years however the region s support has shifted from multilateraltrade arrangements to rtas a turning point was the outbreak of the east asian nancial crisis in 1997 besides triggering massive economic unrest in east asia the crisis revitalised the demand for regional economic cooperation which calledfor more cooperation and policy coordination among neighbouring economies

does adaptation to climate change provide food security a micro perspective from ethiopia we examine the driving forces behind farmers decisions to adapt to climate change and the impact of adaptation on farmers food production we investigate whether there are differences in the food production functions of farm households that adapted and those that did not adapt we estimate a simultaneous equations model with endogenous switching to account for the heterogeneity in the decision to adapt or not and for unobservable characteristics of farmers and their farm we compare the expected food production under the actual and counterfactual cases that the farm household adapted or not to climate change we find that the group of farm households that adapted has systematically different characteristics than the group of farm households that did not adapt the relationship between production and average temperature is inverted u shaped for farm households that adapted while it is u shaped for farm households that did not adapt and vice versa in the case of precipitation we find that adaptation increases food production however the impact of adaptation on food production is smaller for the farm households that actually did adapt than for the farm households that did not adapt in the counterfactual case that they adapted

organic certification agro ecological practices and return on investment evidence from pineapple producers in ghana the recent empirical literature on economic sustainability of certified export crops shows that certification standards that enhance yields are important for improving farm revenues and household welfare however limited evidence exists on the impact of organic certification on the adoption of agro ecological practices in this study we use unique farm level data from pineapple producers in ghana to examine the impact of organic certification on the use of agro ecological practices such as organic fertilizers organic pest and weed control crop rotation and soil and water conservation as well as how using these measures affect farm outcomes such as return on investment our empirical results reveal that organic certification increases agro ecological practice use although from a very low starting point using a generalized propensity score approach we show that there is a positive but nonlinear relationship between the intensity of agro ecological practice use and return on investment

changing asset endowments and smallholder participation in higher value markets evidence from certified coffee producers in nicaragua this paper examines the capacities of smallholders in nicaragua to exploit new linkages to certified coffee markets following the coffee crisis data on livelihood assets were collected from 292 households which were clustered to test how differences in outcomes asset building reflect variations in initial asset endowments the results suggest that most households built particular elements of their asset base and increased their resilience to future shocks however households struggled to make effective use of the gains for intensifying their livelihoods of the least endowed households few made investments in the scale or productivity of coffee and most continued to depend heavily on subsistence production and seasonal off farm income for survival in conclusion improved market access alone even under relatively favorable market conditions and with considerable external support will have uncertain impacts on rural poverty if the underlying constraints on household assets and investments are not addressed concurrently