Summary The aim of this study is to prove that profile of organic food consumers is dependent on

The purpose of the paper is to analyze general information on consumption and socio-demographic variables in relation to the willingness to pay (WTP) for organic products in the Republic of Serbia. The study is based on the survey responses of 398 individuals and the data obtained from the survey was analyzed using the chi-square test. The factors significantly affecting WTP premium prices for organic products include higher disposable household income, older age group, gender, urban surroundings, larger household size and higher educational level. Male and female consumers, living in towns, in a family of up to 4 persons, with higher education, and within the income range of 500-2,000 euro a month would be willing to pay a premium up to 20% once a week for organic products. This paper provides further insight into WTP for organic products among consumers from a developing country.

The practice of producing drone videos for hobby or commercial purposes has already created a vast amount of open and free video datasets. When these videos are properly authored, time-stamped and geo-referenced, they receive characteristics of volunteered geographic information (VGI). As alternative forms to user-generated content (UGC), these visually appealing footages attract significant attention, but their production faces different practical and motivational issues that could impose limitation on the value of this kind of VGI. In order to better understand volunteered geographic drone videos (VGDV) from the social media and VGI perspective we conceptualize and discuss prospects and problems that could be explored in further research. This paper contributes to the development of theory about aerial drone videos, exploration of aerial drone video UGC characteristics and to the applicability of drone videos in Digital Earth systems.

Th e goal of the paper is to analyse the potential for the innovation of cross border clusters from the sector of agriculture. Th e methodology which is used is the research of intellectual property (IP) of the clusters' members and clusters by using a specifi c questionnaire for clusters in two countries: Hungary and Serbia. Th e analysis of results shows a high level of innovativeness within the clusters' members and the need of protection of their intellectual achievements. Th e similar results were achieved in both countries. Th ey show that the IP rights at the level of clusters should be protected as the cross border trademark and the name of origin. Th e scientifi c contribution of this paper is to introduce the concept of the joint cross border IP protection for two or more clusters from diff erent countries which might be applied across the EU.

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