Wolfgang Bokelmann

Wolfgang Bokelmann
Humboldt-Universität zu Berlin | HU Berlin · Department of Agricultural Economics

About

132
Publications
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1,378
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Publications

Publications (132)
Article
Full-text available
Many warning signs indicate that the food security goals formulated in 2015 will not be achieved. This situation is particularly true for the African continent. After substantial progress up to 2015, the situation has hardly improved or has worsened in many respects. In addition to the rapid population growth, the increasingly frequent long dry per...
Article
Full-text available
The Camëntsá and Inga indigenous communities still rely on agroforestry systems for their livelihood attainment, although globalization effects have also reached their settlements. Agroforestry systems, especially home gardens, are experiencing reduced size and species diversity and therefore gradually disappearing. This research aims to determine...
Article
Full-text available
Many warning signs indicate that the food security goals formulated in 2015 will not be achieved. This situation is particularly true for the African continent. After substantial progress up to 2015, the situation has hardly improved or has worsened in many respects. In addition to the rapid population growth, the increasingly frequent long dry per...
Article
Full-text available
The Camëntsá and Inga indigenous communities still rely on agroforestry systems for their livelihood attainment, although globalization effects have also reached their settlements. Agroforestry systems, especially home gardens, are experiencing reduced size and species diversity and therefore gradually disappearing. This research aims to determine...
Article
Full-text available
Ecuador constitutes a fascinating case study to explore land policies and reforms. Since colonial times, it has experienced prolonged and ongoing struggles to transform land institutions. This paper investigates how, across levels, historic institutional factors affected land-use decision making in the Mindo parish and western foothills of Pichinch...
Article
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��� ����� �� ����� ���������� �� ������� ���� �� The issue of plant protection on private land is currently caught between a growing awareness of the environment and real action. While the application of pesticides in agriculture is a thematic field of regulation and monitoring, the private sector is comparably a grey zone. Here, monitoring activit...
Article
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How we eat has a major impact on our individual health status, our quality of life and our wellbeing. Many of the foods we eat have a major social, environmental, climate and animal welfare footprint. This expertise defines policies to promote sustainability in food consumption as policies that integrate all four target dimensions: human health, so...
Article
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The implementation of eco-innovations can be a strategy to combine economic benefit and reduce negative environmental impact. German greenhouse production is highly energy intensive, as heating and energy account for the second largest cost factor. Thus, the sector wants to develop and implement eco-innovations to speed up the process towards incre...
Article
Although life and land decisions are individual, driven by perceptions of reality, they reflect broader social processes. This research aims to understand relevant land-use change processes and the context within which land-use change occurs in the study area. For this, we employ grounded theory techniques and procedures to analyze narratives and l...
Article
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Die Art und Weise, wie wir uns ernähren, beeinflusst wesentlich unseren individuellen Gesundheitsstatus, unsere Lebensqualität und unser Wohlbefinden. Viele Lebensmittel tragen einen großen sozialen, umwelt-, klima- und tierschutzbezogenen Fußabdruck. Politik für nachhaltigere Ernährung ist in diesem Gutachten definiert als eine Politik, die alle v...
Article
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African Indigenous Vegetables (AIVs) are widely consumed in Kenya as part of everyday meals. They provide the much-needed micro-nutrients which are critical for combating micronutrient deficiencies (“hidden hunger”). The study describes the socio-economic characterizes of households in rural and peri-urban areas in Kenya and appraises the contribut...
Article
Full-text available
The implementation of eco-innovations can be a strategy to combine economic benefit and reduce negative environmental impact. German greenhouse production is highly energy intensive, as heating and energy account for the second largest cost factor. Thus, the sector wants to develop and implement eco-innovations to speed up the process towards incre...
Article
Full-text available
Kenya is classified as a food-deficit country. Approximately 20 percent of the population does not attain the minimum dietary requirements to sustain a healthy and productive life, according to the National Bureau of Statistics. African Indigenous Vegetables (AIVs) contain beneficial micro-nutrients and are critical for achieving nutrition security...
Article
Full-text available
The term “rural development” is exceptionally multifaceted, which makes it difficult to define. This and other features make it a ‘wicked problem’, which means the consequences of ruraldevelopmental problems can create other complications. To date, the important discussion of rural development has dealt with productivity and economic concerns. This...
Article
Full-text available
RESUMEN Panela is mainly produced by small farmers. It is one of the most relevant agroindustries in Colombia. Traditional processing in all production phases is the main characteristic of this product. This research aimed to identify alternatives for panela farmers in the municipality of Utica (Colombia) and to improve their agricultural practices...
Article
Full-text available
Abstract Smallholder farmers are excluded from efficient and effective participation in high-value agro-food market chains due to major competitiveness constraints and several market failures along these chains. The purpose of this study is to contribute to the competitiveness of smallholder farmers in a more coordinated and sustainable way that pr...
Article
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Contract farming is considered as institutional arrangements that manage the coordination of production and distribution between smallholder farmers and agro-industrial firms. Under the market reforms and industrialization process, contract farming links smallholder farmers to a better market through effective farming management and high-quality pr...
Article
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This study attempts to uncover the truth behind an increasing number of smallholder farmers participating in sustainable coffee farming in Vietnam. Using stochastic frontier and cost-benefit analysis, a sample of 316 smallholder farmers in Dak Lak was chosen to analyze the economic impacts of sustainable and conventional coffee farming on farmers’...
Poster
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Matchmaking Event in the context of the German-Ecuadorian Research Co-operation Program on Biodiversity and Climate Change – CoCiBio, 24 to 26 June 2019 near Quito at Hostería San José de Puembo. The Matchmaking Event was jointly organised and carried out by the German Academic Exchange Service (DAAD), the Deutsche Gesellschaft für Internationale Z...
Article
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This study attempts to analyze the market preference of coffee farmers in Vietnam. Using the transaction cost approach, a seemingly unrelated regression (SUR) model was developed based on the sales volume in different markets, transaction cost attributes, socioeconomic factors, and behavioral aspects of sustainable certified coffee farmers. Factors...
Article
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Supply chain stakeholders for local organic food face uncertainties. In the present study, the empirical relevance of relationship types, farmers contracting choice and several determining factors which potentially influence both choices of contract types and the relationship with sustainability was tested. The study draws the Williamson's governan...
Article
Full-text available
African indigenous vegetables (AIVs) have the potential to contribute substantially to food and nutrition security in Kenya because of their high nutritious value. However, there is a limited pool of knowledge on how AIV innovations are disseminated along the value chain. The study uses the concept of innovation systems and attempts to explore soci...
Article
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Objectives: Small and marginal farmers are being excluded from emerging innovative models owing to the high transaction cost in aggregation, poor quality and information asymmetry among the farmers. There are several opportunities to upgrade the traditional value chains leading to high price realization among the farmers. In the present study, Orga...
Conference Paper
Full-text available
The potential of so-called underutilised crops for human nutrition and as a source of income for poor farmers in the Global South was discussed at the Elsevier International Conference on Global Food Security in Cape Town, South Africa. Researchers from Kenya, Germany and the USA presented their latest research results. World-wide, the challenge i...
Article
Many humans suffer from hunger, while edible food is discarded. This study aims at showing the importance of avoiding food waste in households and its causes by applying the means-end-chain analysis. Additional the means-end-chain approach should be examined in how far the method is suitable to get insights towards this topic. Consumer backgrounds...
Article
Full-text available
Estimation of consumption intensity of African indigenous vegetables (AIVs) is important to understand how their utilization can be enhanced at the household level. The study evaluated consumption intensity of leafy AIVs using the zero-inflated negative binomial regression model. A multistage sampling technique was used to select a random sample of...
Article
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The meaning of rural development has been widely discussed worldwide among the policy makers, academics and peasants. Rural development aims to improve the quality of life, while respecting the rights of all rural inhabitants. This paper describes the indicators selected to assess rural development at the household level and classifies them accordi...
Article
Full-text available
The Camëntsá and Inga indigenous communities of the Sibundoy Valley, in the Colombian province of Putumayo, employ agroforestry systems for their livelihoods. The objectives of this enquiry are (1) to understand the importance of the biodiversity within agroforestry systems, as providers of provisioning, regulating, and cultural ecosystem services...
Poster
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Over the past few years, coffee farmers in Daklak have pursued sustainable coffee production standards such as UTZ, 4C, RFA, and Fairtrade. The certified production enhanced the competitiveness and strengthened vertical relationship through contracting and collaborating. Contracted coffee farmers has benefited from better access to markets, improve...
Article
The issue of food waste is especially in light of ethical and environmental considerations of high interest with the endeavour to minimise food waste. The purpose of this study is first to test the diary method for gathering data about food waste in households and second to investigate the storage, purchase and food waste behaviour and show if ther...
Poster
Full-text available
The international coffee price volatility and pressurization of multinational coffee corporations on the local exporters/manufacturers demand a better linkage among production, processing, and marketing in the Dak Lak coffee sector. Beside the commitment, responsibilities, and share of risk, the development of trust between the company and the farm...
Conference Paper
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Promoting organic supply chains is becoming of increasing interest to developing countries like India. The demand for organic products is increasing and providing market opportunities and a premium price for producers who comply with organic certification standards. Smallholder farmers are being excluded from the supply chain due to a number of con...
Article
Full-text available
The theoretical framework "heritage and patrimony of the peasantry" and its suggested operationalization potentially offers an improvement over previous approaches to analyse rural development. The first application of the concept was carried out in Colombia, quantifying rural development indicators in six rural territories. The most critical indic...
Book
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Drastic reductions in global greenhouse gas (GHG) emissions are required to prevent global warming from reaching a level that will have unforeseeable negative consequences for ecosystems and society. At the UN Climate Change Conference in Paris in December 2015, the goal of keeping the increase in global average temperature well below 2°C as compar...
Article
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The analytical framework “heritage and patrimony of the peasantry” and its recommended implementation theoretically provide an enhancement over previous methodologies to examine rural development. The current paper measures rural development indicators in six Mexican rural territories, and analyses their interaction in the heritages and patrimonies...
Article
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The participation of stakeholders in the design and application of rural development policies is one of the major concerns of policymakers. The Framework for Participatory Impact Assessment (FoPIA) is a methodology used to measure the impact of policies, which could include different stakeholders. This paper used FoPIA to assess the impact of rural...
Poster
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In an exploratory cluster analysis three value chain strategies of African indigenous vegetables (AIV) are classified with strongest predictors are market integration and social capital/networks: the AIV subsistence farmers for selfconsumption, the AIV cash crop individual producers and those farmers, who market AIV and belong to a farmer group. Wh...
Article
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Organic farmers are facing problems in finding the right buyers, resulting in high transaction costs (TCs). This study considers the integration of smallholder organic farmers in vertically coordinated supply chains and factors influencing them. The article draws transaction costs economics (TCE) to develop a model explaining potential TC attribute...
Article
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Analytical frameworks provide the basic vocabulary of concepts and terms that may be used to construct the kinds of causal explanations expected of a theory. In addition, framework-based approaches are applied as a way of dealing with the complexity that arises in situations involving human interactions with the environment. This paper presents an...
Article
Full-text available
Understanding consumer acceptance of leafy African indigenous vegetables (AIVs) is important in enhancing their consumption levels so as to increase micronutrient intake. Cooked leaves from AIVs are traditionally consumed together with starchy staple food. Acceptance of leafy AIVs for consumption was evaluated using multivariate Probit model. Due t...
Article
Full-text available
Socio-economic conditions of farmers, especially in the coastal region in Bangladesh, have been severely affected because of climate change. This study was focused on analyzing the farmers’ perception of climate change by examining three vital issues: (1) description of the socioeconomic characteristics of farmers; (2) reporting on the perception o...
Article
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Although indigenous vegetables (AIVs) have always been a staple food crop, the promotion of their production, marketing and consumption is a recent phenomenon. There is already consensus that AIVs contribute to food security by providing a variety of nutrients, while easing food insecurity tensions during periods of food shortages. This study found...
Article
Full-text available
The participation of stakeholders in the design and application of rural development policies is one of the major concerns of policymakers. The Framework for Participatory Impact Assessment (FoPIA) is a methodology used to measure the impact of policies, which could include different stakeholders. This paper used FoPIA to assess the impact of rural...
Article
Full-text available
This study evaluated socio-economic, institutional and product characteristics that influence the choice for African indigenous vegetable (AIV) retail outlets among rural and urban households in Kenya. Multistage sampling technique was used to select a sample of 450 respondents from four counties in Kenya. Data was collected using a pre-tested semi...
Article
Full-text available
Since the middle of the last century, several perspectives have addressed rural development from different viewpoints, and productive aspects have prevailed. Four general approaches encompass these perspectives: the Technocratic, Sociological, Socio-Technocratic, and Political approaches. This paper aims to put forward Food Sovereignty and its focu...
Article
Full-text available
Diversified income sources and land use options are sought in small-scale farms and rural households like those in the Nabanhe River Watershed National Nature Reserve (NRWNNR) in Southwestern China, in order to ensure sustainability of their livelihoods. Alternative income-generating activities, such as trying out new crops, are often chosen by sma...
Article
This behavioral economics experiment shows the effect of different presentation strategies on fruit sales at eleven canteens run by the student services "Studentenwerk Berlin". The status quo of the presentation of fruit at the participating university canteens is analyzed, recommendations are given and interventions such as posters, an increased o...
Article
Food security and poverty remain aggravating challenges in East Africa despite decades of development work and research. Enhancing food security having complex dimensions of food availability, food accessibility, food stability and food utilisation, requires an integrated approach that transcends disciplinary boundaries and aims at solving real wor...
Article
Even though indigenous vegetables (IVs) existed since many years ago, their promotion in terms of sustainable production and consumption is a recent phenomenon. Gradual developments in marketing of IVs and raising awareness in consumption initiated their promotion. There is consensus that IVs contribute to food security in different ways. They are...
Article
Full-text available
Numerous consumers confronted with increasing environmental problems, food safety issues, and augmentative health problems increasingly desire to have healthier and more natural foods grown in an eco-friendly manner. Hitherto organic foods only partly benefit from this increasing market environment, and their market share stays rather low despite h...
Article
Full-text available
Consumer organic food choice motives and purchase preferences were studied in a structured quantitative survey (N = 201) in Bangalore, with the aim of identifying consumer segments based on these motives and preferences. Further, sociodemographic differences between the clusters were studied. Face-to-face interviews were used to sample the data, wh...
Article
In the food industry the subject of food losses is of great importance due to economic balance and an efficient application of resources as well as the development of an efficient food chain system. This paper presents the explorative results of a quantitative survey of leading companies of the German food industry to evaluate the relevance and han...
Conference Paper
Full-text available
Increasing demand for organic food products in developed countries driving organic agriculture in developing countries. Particularly, in India organic sector witnessing important growth potential during this decade. Further, the area under organic farming is very negligible. Indian smallholders are facing challenges to enter and stay in the organic...
Poster
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The organic food sector in India has experienced important growth during recent years. Despite the growth potential, the area under organic farming is very negligible. Indian smallholder farmers are facing challenges to enter and stay in the organic food sector, as well as to derive benefits from this growth in a sustainable way. In this context, t...
Article
To meet worldwide challenges such as restricted natural resources, climate change, food-security or higher consumer demands, innovative solutions in agriculture and its subsectors are required. In order to make agricultural innovation systems more effective, it is necessary to understand the mechanisms of innovation processes. Nonetheless, innovati...