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Abstract
Due to the influence of numerous factors that make it difficult to find the innovative solutions to social and environmental problems that social enterprises deal with, there is a need for a joint action of social enterprises, both with each other and with other actors operating in their environment. In order to overcome the challenges more easily, which they face in their business, social enterprises and social entrepreneurs should take advantage of networking. Business networks can bring many benefits to their members, and networks in the social sector are of particular importance. Recently, networking has taken place within the broader framework of so-called ecosystems. With this in mind, the aim of this paper is to shed more light on the specifics of networking of social enterprises, i.e. their connection to ecosystems. The Social Entrepreneurship Network (SEN) has played a key role in the development of this sector in European countries. Also in the Republic of Serbia, networking of social enterprises with civil society organizations has significantly contributed to the creation of public policies and the promotion of social enterprises.

Companies are increasingly incorporating both social and environmental sustainability into their business activities. Ethical issues along with environmental and labor protection issues are integral components of the supply chain strategy. By implementing the concept of green supply chain, the level of sustainability, supply continuity and long-term business efficiency are improved. Positioning modern supply chains in the context of a green economy and a dynamic business environment is a matter of work. The key goal of this paper is to identify the business implications of the relationship between green supply chains, the environment and economic, social and environmental performance, based on the analysis for the field of research of relevant scientific sources, and to propose a model of "greening" of classic supply chains. of benefit to researchers and company managers. The research contribution of this paper is reflected in the achieved level of development and degree of implementation of sustainability practices in global supply chain management practices, overview of concepts, paradigms and research in the field of green supply chains over a period of twenty years, as well as in examining the impact of leading global supply chains on three main aspects of the environment-climate, water resources and forests. The paper is structured according to the IMRAD principle. The first part points out the different theoretical coverage of the concept of green supply chain. Then a green supply chain model is proposed. Analysis of the development perspective and discussion on the impacts of green chains on the environment is a key topic of the next part of the paper.

The paper analyses the contribution of different types of innovative entrepreneurship: new products entrepreneurship, new technology development entrepreneurship, high growth expectation entrepreneurship and average growth expectation entrepreneurship to economic growth in emerging markets. The aim of paper is to identify types of innovative entrepreneurship which have the greatest contribution to economic growth in emerging markets and propose measures that macroeconomic policy makers could implement to achieve sustainable economic growth. The regression analysis is performed in order to estimate the impact of different types of innovative entrepreneurship on economic growth in 13 emerging markets. The results have shown that a high growth expectation entrepreneurship has the greatest influence on economic growth. Also, results have shown that impact of new products entrepreneurship is bigger than impact of technology development entrepreneurship on economic growth in emerging markets.