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  • Organic food sourcing, processing and distribution: a case of satisfying a growing market
    5-10
    Views:
    299

    A case study of an organic food company in the Slovak Republic involved in producing and sourcing inputs, food processing and distribution is presented. The case is based on a June 2014 “live” case study prepared for students in International MBA in Agribusiness programs at the Slovak University of Agriculture in Nitra, Warsaw University of Life Sciences and the National University of Life and Environmental Sciences of Ukraine, Kiev. The company was established in 2001 with the objective to bring organic food to health conscious consumers. The company grows organic spelt grain, wheat, rye, buckwheat, herbs and apples on its 156 ha and 400 ha of owned and rented farmland. The company further processes these crops into more than 40 finished products. Students are presented with company information and summaries of a company visit and discussions with management. Students perform PEST and SWOT analyses, identify a shortage of owned and leased land as a problem the company must address, conduct research and analysis, and recommend product specification contracts as a solution to the problem.

  • ARTIFICIAL INTELLIGENCE IN THE CORPORATE SECTOR
    Views:
    142

    Humanity has made huge progress over the past millennia. We are working with technologies, robots that not only help us to work accurately, efficiently and quickly, but they work in a similar way to the human brain: they perceive, think, learn and solve problems.

    In my research, I will focus on artificial intelligence, which is becoming more and more popular nowadays, looking at its past, present and future, its main trends in the corporate sector, and how it threatens people's job opportunities.

    At the same time, one of my research objectives is to investigate how much the development of a country is related to the uptake of AI in the European Union, which I will test with correlation analysis, taking into account indicators of artificial intelligence penetration in the corporate sector from one side and the various AI indicators such as digital penetration, internet usage, computer culture, and economic indicators as GDP per capita from the other side.   

  • A study on consumer habits in the dietary supplements market
    5-12
    Views:
    675

    There has been a continuous increase in the proportion of consumers using dietary supplements worldwide. Evidence based on former surveys suggests that in Hungary more than half of the population buy at least one type of dietary supplement (hereinafter DS). By using secondary research, the authors of the present paper examine the demographic factors determining the consumption of DS on a global scale. Consumption of DS increases with age and is more frequent among women. Consumers with higher qualifications and income tend to buy products containing vitamins and minerals to a greater degree. In the vast majority of cases the purchase and consumption of DS is based on consumers’ personal preferences and decisions, rather than on their physicians’ advice. It has been found that a high percentage of DS consumers probably do not even need any extra nutrient intake. In our primary research (N=1000) the specific attitudes to and characteristics of DS consumption among Hungarian adults are analysed on the basis of on a nationally representative survey. First, we identify the most important reasons which encourage consumers to buy DS. Consumer awareness concerning DS with a particular vitamin and mineral content and of other sources is examined, and we also assess the consumption of the product which is the most popular. The current paper attempts to identify the outlets Hungarian consumers typically buy DS from, and also what resources they use to keep themselves informed about these products. Consumers who admittedly reported (regular) consumption of a certain kind of DS product 6 months prior to the survey are further examined in relation to certain additional issues. The results of our survey provide an accurate picture of the DS consumption habits of the Hungarian population.

    JEL CODE: I12, M31

  • Impact of CAP’s pillars on Romanian rural employment
    75-80
    Views:
    148

    This paper aims to clarify the direction of change in rural employment on short- and medium term in Romania, while CAP regulations are being introduced and the global economic crisis emerges. First we put into evidence the decrease of the role of agriculture as buffer for unemployment and the poor contribution of non-agricultural activities to provide employment for rural residents.Then we analyse the main characteristics of the rural labour force. Finally we synthesize the opinions expressed by 33 consultants (working at the Offices for Agricultural Consultancy from different counties in Transylvania) about the estimated short term evolution of rural employment and the impact of CAP on Romanian rural areas.

  • Educational projects – support for development of tourism and rural areas in Serbia
    65-69
    Views:
    162

    The paper presents three mini-projects that have been implemented by The Institute of Agricultural Economics – Belgrade in the 2006–2008 period. Those were special educational projects in agriculture and rural development, whereas extension activities were concentrated onto three topics: farm management, support of rural development and improvement of small farms. Implementation of projects took place on the territory of the South Banat County and some Belgrade city communes. The projects intended to solve current problems of sustainable agriculture and rural development. Within the projects there were identified priorities related to investments, strategic planning and tourism. Educational activities were aimed at a number of holders or members of their registered farms. Dynamics of the projects' implementation included introduction and discussion with a number of farmers, formation of small groups, preparation and making of materials, a series of theoretical lectures and determination of the joint work results. Education programs are aiming at improvement of the farm holders' knowledge in the field of business and management. Specific objectives of training are to increase sales of goods and services at domestic and foreign market, to increase competitiveness in a particular market, to achieve higher profits, to create new jobs and improve living conditions in rural areas. Evaluation of projects was related to determination of level, to which there were achieved set objectives, then to define implementation of projects in accordance with the plan, as well as to determine an impact of educational activities to promotion of knowledge concerning business and management.

  • Estimation of Armington elasticities: case of vegetables in Mongolia
    Views:
    201

    Mongolian people often consume meat more than vegetable in diet due to traditional nomadic culture. Nowadays, the Mongolian people’s diet has been changing who consume more vegetables with associated urbanization (half of the population live in urban areas, mostly in the capital city). Even though vegetable consumption has been increased recently, the vegetable market is still a high reliance on imports and threatening national food security. Since 2016, the Mongolian government has especially paid attention to increasing vegetable's domestic production and substitution to import vegetables (Ministry of food and Agriculture, 2017). Therefore, this paper provided to substitution elasticity (the Armington elasticity) between import vegetables and domestic vegetables in Mongolia. Additionally, we estimated the home bias value of vegetables. The so-called Armington elasticities are widely used for computable general equilibrium (CGE) analysis, which determines a degree of substitution between import goods and domestically produced goods. Several of the authors studied Armington elasticities at the product level. We choose six vegetables (such as potato, garlic and onion, tomato, carrot and turnips, cabbage, and cucumber) related to lack of information. The empirical result shows that the Armington elasticities in the long-run higher than the short-run with exception of potato which means that products are similar in the long-run. However, our estimated Armington elasticities are quite lower than the previous studies result which means that Mongolian people indicated more prefer home growing vegetables than import vegetables. Moreover, we found that the home bias value is high in the short-run even long -run, this appears to be a higher relative weight on home vegetables.

    JEL code: F13, Q17, Q18

  • Methodological and integration aspects of ABC-method application in trade organizations
    49-52
    Views:
    134

    In conditions of declining consumer demand and deficit of credit resources more and more managers of Russian companies think of necessity of introducing effective methods and systems of cost management. One of the most relevant is method of “Activity Based Costing” (ABC-method). Since, in western experts’ opinion sectors of service and trade are adjusted to use of ABC-method even more than production, we should refer once more to the main methodological and integration aspects of ABC-method application and consider it from position of trade organization.

  • Innovation in health tourism – creation of SpaHealthy application
    13-16
    Views:
    183

    This primary research examines the introduction of an innovative health promotion service into the market. Given the assumption that healthcare costs should be part of one’s budget, the survey reveals two trends: 1. Health concerns are more observed by consumers having higher social statuses, this means that they are ready to pay money for health preservative services; 2. Health turns into a precious value when we are running short of it. This assumption is well asserted by the finding of the survey that it is those suffering from chronic diseases that would be ready to pay the highest of all sums to buy the service.

     

  • The effects of health tourism investments in tourism businesses in the Northern Hungarian Region
    45-50
    Views:
    189

    In my article I woud like to find answers for the question how frequently and effectively the region’s business leaders in Northern Hungary participated in various development programs, as regards investments in health tourism, what developments have been made mainly in the area, what the positive effects of these developments were in the life of businesses, whether the businesses (leaders) feel successful, and how their success was manifested. I carried out a questionnaire survey among enterprises. From the data I calculated mean, SD and spectrum and examined the crosstab correlations as well, and the Cramer’s V associate coefficient and Contingency coefficient. The results of the correlation tests could be summarised as the following: According to the survey, the number of the medium-sized enterprises being involved utilised a significant proportion of their development funds, compared to the micro and small enterprises. Although the idea of spas winterizing their pools was not considered an important development, both the adventure and wellness elements were important for the construction of thermal baths. In the case of hotels, the expansion of wellness elements and other additional services together with the development of marketing activities played an important role. Besides the positive business publicity, enterprises see the positive effects of the investment in the increase of their income; the success can be the result of the adequate supply of components, the professional management and that of positive image.

  • Analysis of Vision and Mission Statements Characteristics and their Association with Organizational Performance: A Guide to Writing Effective Vision and Mission Statements
    87-95
    Views:
    4940

    This paper empirically examines vision and mission statements of Fortune 500 firms for the purpose of identifying and examining specific characteristics and associating these attributes with organizational performance. Additionally, this paper provides a theoretical foundation for the inclusion of various characteristics of vision and mission documents, and thus provides guidance for organizations to develop and revise these important strategic planning documents.

    JEL CODE: M21, O21

  • World importance and present tendencies of dairy sector
    119-123
    Views:
    217

    The general objective of this paper is to present the world importance of dairy sector and to illustrate present tendency of milk production, consumption, trade and prices mainly based on FAO data base. World milk production was 711 million tonnes in 2010 and it is expected to increase in the future. The most significant milk producers are the EU(27), the United States and from the Asian countries, India and China. Developed countries give one-third of world milk production, while more than two-third of world dairy herd can be found in developing countries. Milk production growth is a future tendency mainly in China, India, Pakistan, Argentina and Brazil. The average level of consumption of milk and milk products is 103,6 kg/capita/year and it will increase in developing and developed countries as well. The ratio of international trade of milk and milk products to production is 6 percent and itmay expand in the future. New Zealand, the EU(27), theUnited States andAustralia are themajor exporters. There is a strong demand formilk andmilk products among others from the Asian countries, the Russian Federation,Algeria,Mexico, Saudi Arabia and the United States.Analysis of world market price of the most important dairy products it represents a strong recovery from last year, but it still remains 20 percent below its peak value in early 2008. However prices have doubled compared with prices of period of 2002–2004.

  • Economic modelling and analysis of Hungarian wheat production in the marketing year 2011
    63-67
    Views:
    173

    In the framework of the present study I analysed the wheat production sector. In order to evaluate the situation prevailing in the sector I conducted an economic analysis which I based on primary data collection. The year of investigation was the production year of 2011. Long-term implications for different crop sectors can only be based on multi-annual analysis, so in this article I only attempted to analyse the sector with respect to 2011. To evaluate wheat production I compiled its cost structure and assessed it. To evaluate its position in comparison to other crops I also carried out calculations to determine the gross margin (revenue minus variable cost)1 By gross margin I mean the gross margin (C), which is production value (PV) minus direct cost (DC), by definition (C=P-DC). of maize and rape. I observed that the gross margin attainable on one hectare was the lowest in the case of wheat. I applied two types of gross margin, because I consider it important that a given sector should also be profitable without subsidies. In the case of the gross margin including subsidies it is essential to emphasize the role of subsidies, since their ratio varied between 30 and 47% of the total revenue. The importance of subsidies was the most significant in the case of winter wheat.

     

  • The impact of the internet on Hungarian food consumers’ ways of seeking information from the aspect of health awareness
    13-18
    Views:
    165

    One of the main components of healthy lifestyle is proper diet. When putting together one’s diet, lots of information are needed in order to be able to pick from various foods which contribute to converting to a healthier lifestyle and maintaining it. The main purpose of this study is to determine and show examples of the characteristics of online marketing which could help consumers in the conscious conversion to healthy lifestyle. Of the various factors, great emphasis is placed on online health-related information. Based on the research findings, it can be concluded that healthy lifestyle-related information has a significant role in online sources. Consequently, Internet can be regarded as a preferred source of information in terms of the conscious converting to healthy lifestyle.

     

  • Comparison of consumption and purchase habits for University students for industrially kept pigs and mangalica pigs
    Views:
    212

    The aim of the study is to compare the preferences for the purchase and consumption of industrially kept pigs and mangalica pigs. The research was conducted among the students of the Faculty of Economics and Business of University of Debrecen in October 2019, in the form of an online questionnaire. Descriptive statistical methods, chi-square tests, Spearman rank correlation indexes, factor analysis and two-step cluster analysis were used to analyze the data obtained from the survey. Based on the results, it can be said that there are differences in consumer perceptions of industrially kept pigs and mangalica pigs among a number of sociodemographic factors. Factor analysis was used to delimit three factors in the case of industrially kept pigs (“domestic-branded-fresh product” aspects, factors related to health awareness, aspects of a marketing nature), while in the case of mangalica pigs one factor was identified. Next, I used a two-step cluster analysis using the isolated factors, where several sociodemographic variables were tested. The best fit was shown by the combination of gender and highest educational level. Based on these, it can be concluded that in the case of industrially kept pigs, the factors considered in the purchase were the most important for women and men with higher education in the case of two factors (“domestic-brand-fresh product” aspect and marketing aspects) and for mangalica pigs. While in the case of industrially kept pigs, the third factor (factors related to health awareness) that were taken into account in the purchase proved to be the most important for men with a secondary education.

    JEL Code: I12, M31

  • The institutional determinants of bilateral Agricultural and food trade
    53-57
    Views:
    155

    The paper investigates the effects of the institutional determinants on trade in agricultural and food products among the OECD countries using a gravity model approach. We focus on the impact of the quality of governance and the similarity of institutions in explaining variation in bilateral agricultural and food trade patterns. Results confirmed the separate effects for the institutional similarity and the institutional quality on trade patterns. The institutional similarity has positive and significant impact on trade in a similar institutional framework for agricultural, but less for food products. The institutional quality has significant positive impact on trade in both agricultural and food products for importing countries.

  • Certain elements of population retaining ability and the ability to economically provide for a population of the countryside
    81-88
    Views:
    141

    According to the data of population density, most of Hungary’s territory has rural features. Achieving EU supports in order to focus on developing the most underdeveloped communities, and in order to lessen the differences between communities, to establish priorities and to determine the rank of rural communities based on their development potential is necessary.The need of measurability arises because of comparison and classification.A possible target area is an analysis of population retaining ability and the ability to economically provide for a population of rural areas.

  • Significance of wheat production in world economy and position of Hungary in it
    115-119
    Views:
    276

    This article intends to introduce the significance of wheat production in world economy and role of Hungary in it on the basis of statistic database of FAO. Importance of wheat production in world economy is proven by its share of 15% from 1500 million hectares arable land in the world. This rate is equivalent to 225 million hectares of wheat area based on FAO figures for 2009. From its world economy significance view point, on the basis of some significant features it sets order of ranks among wheat producing countries, accompanied by Hungary too. Setting of rank orders is based on the quantity of wheat produced by countries, cultivated area and exported, imported wheat quantity. As regards wheat export in 2008, Hungary was placed as 11. in the world while on the basis of produced quantity and cultivated area it did not achieve any of top 20 countries. Wheat import of Hungary is negligible since its wheat production is greatly over the self-sufficiency level in one production year. Our logistics disadvantages indicate one of considerable difficulties of market access for primary materials in domestic plant production.

  • Investigation of the effect of flooring on the living performance of sows using survival analysis
    99-102
    Views:
    121

    Pig-farming has a long tradition in Hungary, most significantly within the Alföld region. In my analysis I studied the lifespan of sows in two nucleus pig herds on the Great Plain, also examining the probability of the occurrence of different reasons for culling. During my research I collected data (from 2001 to 2010) relating to more than 10,000 sows from the farms conducting a breeding programme and I searched for the answer to the question of whether can I find a significant difference in the lifespan of sows with the same feeding and the same genotype if the floor type of farms is different (Herd A has a solid floor with straw and Herd B has a slatted floor). Regarding the reasons for culling ANOVA was used to investigate mean differences in logarithms of the lifespan of sows in each herd. Between the herds the seven most common culling reasons were estimated with the Kaplan-Meier method and the significant difference was demonstrated with the logrank test. The results of the log-rank test showed that there was a significant difference in leg problems as a cause of culling and deaths (p < 0.05) between the two farms, which is the consequence of different floor types.

  • Cognitive dimensions of subjective quality of life in Hajdú-Bihar county
    131-135
    Views:
    145

    The objective of the present study is an investigation of the objective and subjective factors of life quality. Researchers and political leaders show increasing interest in the question: on what grounds do people judge their quality of life, what satisfies or makes them happy? Do we subconsciously make some kinds of mathematical calculations weighing our results achieved in certain areas of life to assess how we are getting on? Or rather we use one “indicator” (e.g. money, number of friends, professional recognition) and we assess our situation accordingly? These issues necessarily emerge when it comes to the consideration of the quality of life. Among factors determining life satisfaction, earnings, employment, health and relationships play significant roles. Therefore, on the leading edge of this research are primarily the cognitive factors of life quality, i.e. external factors influencing satisfaction. The present study also seeks to identify the role of health tourism in the assessment of the quality of life. Questionnaires were completed in one of the most popular tourist destinations of Hajdú-Bihar County. The 805 local respondents expressed their views primarily about factors determining their well-being and about the impacts of the dominant presence of health tourism on their lives.

  • Effect of Quality Assurance Deficit on Market Competitiveness for Export Commodities and Household Income in Nigeria
    103-108
    Views:
    120

    The Nigerian’s agricultural sub-sector contributes about 37 percent of her Gross Domestic Product (GDP) and employs about 65 per cent of the adult labour force. It is thus the major source of food and fibre for the nation. However, there are increasing concerns about the quality and level of safety of many of the agricultural export commodities, particularly in the European markets due to the composition of high level of unauthorized pesticides. This is a major challenge to the level of market competitiveness for these commodities in the international markets. This study therefore examined the effect of quality assurance deficit on market competitiveness and household income levels. Trends in Nigeria’s agricultural export trade between 1980 and 2014 were examined and emphasis was placed on cowpea, dried maize, melon seeds and palm oil. Descriptive and qualitative statistical methods were used to analyze the data. Quantitative statistics included the use of econometric models. Results indicated that there was an increase in the general price level of the commodities at the international market over time. The aggregate market demand for each of them dropped sharply in the last one decade even when the market price per unit increased steadily. This negatively affected the households’ average income level as returns on sales of export commodities declined. Huge quantities of the commodities were then forced to be sold at the local markets at cheaper prices. This development negatively affects the consumptions patterns of the exporters as they now have reduced disposable income. Appropriate agencies of government need to be awake to their responsibilities of assessing and certifying the quality of the Nigerian agricultural commodities before exporting them abroad. This will help to further boost the level of consumer confidence in these export commodities especially at the international markets.

    JEL Classification: Q13

  • The connenction between global innovation index and economic well-being indexes
    87-92
    Views:
    582

    We study the connection of innovation in 126 countries by different well-being indicators and whether there are differences among geographical regions with respect to innovation index score. We approach and define innovation based on Global Innovation Index (GII). The following well-being indicators were emphasized in the research: GDP per capita measured at purchasing power parity, unemployment rate, life expectancy, crude mortality rate, human development index (HDI). Innovation index score was downloaded from the joint publication of 2018 of Cornell University, INSEAD and WIPO, HDI from the website of the UN while we obtained other well-being indicators from the database of the World Bank. Non-parametric hypothesis testing, post-hoc tests and linear regression were used in the study.
    We concluded that there are differences among regions/continents based on GII. It is scarcely surprising that North America is the best performer followed by Europe (with significant differences among countries). Central and South Asia scored the next places with high standard deviation. The following regions with significant backwardness include North Africa, West Asia, Latin America, the Caribbean Area, Central and South Asia, and sub-Saharan Africa. Regions lagging behind have lower standard deviation, that is, they are more homogeneous therefore there are no significant differences among countries in the particular region.
    In the regression modelling of the Global Innovation Index, it was concluded that GDP per capita, life expectancy and human development index are significant explanatory indicators. In the multivariable regression analysis, HDI remained the only explanatory variable in the final model. It is due to the fact that there was significant multicollinearity among the explanatory variables and the HDI aggregates several non-economic indicators like GII.

    JEL Classification: B41, I31, O31, Q55

  • Mitigation activities to reduce emission of agricultural greenhouse gases in Hungary
    115-119
    Views:
    151

    Pressure on natural resources and the global environment have been identified as the most important challenges to maintain prosperity and improve environmental care. Agriculture is responsible for only a small proportion of carbon dioxide (CO2) emissions, but the sector is more closely associated with emissions of other greenhouse gases such as methane (CH4) and nitrous oxide (N2O). The global warming potential of agricultural activities defined as greenhouse gas (GHG) emissions in CO2 equivalents is relatively low in Hungary, when calculated per land area. However this difference decline, when a GHG emission is calculated per product unit, as yields are lower then in West European countries. Environmental load caused by agriculture is also low in Hungary, where increasing part of EU resources are used for the long-term preservation of natural resources and for the raising of awareness of sustainable farming. The strength of the environmental situation of Hungary, consist of several elements, such as the rich bio-diversity, the significant size of territories falling under natural protection, the extent and importance of forests and the low environmental load from crop production. Among the weaknesses the nitrate load of the animal husbandry farms, the increasing water and wind erosion, the soil compaction and degradation have to be taken into consideration. Climate change has high risk potential and the mitigation activities of the New Hungary Rural Development Programme (HRDP) are investigated in this paper with the aim to increase mitigation activities in rural area and reduce the causes of climate change.

     

  • Impacts of the global financial and economic crisis on the agro-food industry and rural livelihoods in Serbia
    113-118
    Views:
    145

    Sixty-five per cent of the Serbian land area is agricultural and 55% of the population is rural.Agriculture share of GDP is more than 10% and about 47% of the rural labour force deals with agriculture. The aim of this work is to analyse the impacts of the global financial and economic crisis on the Serbian agro-food sector and rural communities. Measures introduced, mainly by public institutions, for relieving the consequences of the crisis are presented and discussed. Easily accessible yet high quality data from the central Office of Statistics in Serbia and specialized literature have been used. Impacts have been assessed by analyzing and discussing the trends of many socio-economic indicators. The crisis has had general impacts on the Serbian economy (low GDP growth, unemployment increase, price volatility, purchasing power decrease, etc.). Due to the crisis growth in agricultural production has been very low (0.1% in 2009). Agro-food exports decreased dramatically in 2008. About 9000 agricultural jobs were lost in 2008 and 2009. Reduced exports and lower domestic demand impacted negatively on agricultural commodity prices and agricultural household incomes.Access to credit became more difficult especially for small producers. However, agriculture is still a very important safety net. Agricultural employment share has increased both for men and women. The importance of agriculture is even higher if we consider the “grey agricultural economy”. To mitigate the crisis effects, the Government provided subsidies to rural people and will adopt the National Strategic Plan and Programme for Rural Development. Nevertheless, public institutions - in partnership with private, civil society and international organisations - should improve rural producers’ access to market information and credits and foster investments in rural areas including non-agricultural ones and those aiming at improving physical capital.

  • Studying satisfaction and spending willingness of guests visiting spas and thermal baths in the Northern Hungarian Region
    125-133
    Views:
    145

    In my study I will show the opinion of the guests familiar with seven thermal baths of the Northern-Hungarian Region (such as Eger Thermal Bath, Eger Turkish Bath, Egerszalók Salt Hill Thermal Spa, Demjén Thermal Bath, Bogács Thermal Bath and the Cave-Bath of Miskolc-tapolca) about the medical supply elements, about the price-value rate of supply elements in the thermal bath, and also the spending willingness of the guests in relation to age and earns. From the data I calculated mean, SD and spectrum and examined the crosstab correlations as well, and the Cramer’s V associate coefficient. The results of the correlation tests could be summarised as the following: Guests regardless financial state and age give grade 4 to price/value ratio, but despite their positive judgement spending is not characteristic (most guests spend nothing additional besides admission fee, if so, they do not exceed the 5000 forint amount) even among those who belong to the ’upmarket’ category. Both younger and elderly guests can be characterised with the economical approach, i.e. “Make both ends meet” although seemingly they could extend these “ends”.

  • Tests of differential diesel fuels in engine testing room
    59-65
    Views:
    170

    The portion of oil could be estimated 33 % of global primary energy consumption in 2012 (BP, 2012) and its average price – beside the products produced from it as well - significantly increased, unlike the demand for transport which has been reduced. This tendency is expected to remain unchanged in the long run, therefore, there is a great importance for the variety of diesel fuel distributors, in comparison of the ratio value for each of them, and replacing them with biodiesel can be used in the comparison. We executed 3 dynamometer measurements performed to determine three different dealers purchased diesel oil, some economical examinations of the diesel oil retail price, and the use of biodiesel all based on the expected economic studies in the literature studies of extra fuel consumption values. The results of these tests indicate that the differences of consumption between diesel oils can be up to 5 %, the conclusion is that distinctions of diesel oil consumptions are almost the same when we tested the differences between diesel oil and biodiesel. This means we can reach the same result with a high quality biodiesel as with poor quality diesel oil. This also means that– below 20% of mixing ratio we can easily choose by prices alone. Between these prices and products ( D1, D2, D3), we can save 4.8% diesel oil by using D2, 6.2% diesel oil by using D3 compared to D1. There could be a little revolution variance (D2: 2.9-6%, D3: 4.9- 7.1%), but this variance is under 1% so it is negligible.

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