Economics 21

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  SEQUENTIAL MARKETS AND GENERAL EQUILIBRIUM

  An increasing number of analysts of the latest financial crisis employ arguments and models from different stages of the evolution of economics. We believe that this is the right approach, since no economic event, financialization included, should be viewed as unique or unparalleled. We agree that the answers to most questions relating to the ... An increasing number of analysts of the latest financial crisis employ arguments and models from different stages of the evolution of economics. We believe that this is the right approach, since no economic event, financialization included, should be viewed as unique or unparalleled. We agree that the answers to most questions relating to the boom-downturn cycle are to be sought in the behaviour of entities involved in the economic process and the so-called extrinsic uncertainty. It seems only logical that similar events should be considered extreme and uncontrollable varieties of typical deviations from normal conditions. Yet, it might prove to be rather misleading to randomly combine economic concepts. Therefore, this paper is an attempt to systematize alternative models of the dynamic equilibrium path around which balanced and sometimes dis-balanced markets temporarily converge. In the framework presented here, extrinsic uncertainty and institutional theory add to the neo-classical idea about markets through the generalizing concept of market disequilibrium.

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  OPTIMISATION OF TRANSPORTATION COSTS FOR DELIVERY OF HOMOGENOUS COMMODITY TO CONSUMERS ALONG THE LOGISTICS CHAIN

  This study examines some issues related to the mathematical modeling of shipment activities for homogenous products along the logistics chain and the economic-mathematical analysis of possibilities for its optimization. To this end, economic and mathematical models are suggested for the efficient management of transportation costs and costs ... This study examines some issues related to the mathematical modeling of shipment activities for homogenous products along the logistics chain and the economic-mathematical analysis of possibilities for its optimization. To this end, economic and mathematical models are suggested for the efficient management of transportation costs and costs arising in result of failure to meet the demand of certain consumers. Special attention has been paid to linear and non-linear models in an attempt to formalize the subjective attitude of managers in result of the objective impact of potential losses or the priority given to them due to the shortage of the output to be delivered. The practical need of and the options for applying the proposed economic-mathematical models are presented through comparative analysis and identifying the advantages of certain models through theoretical results based on a specific example from real business practice, which is evidence of their practical significance.

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  SOCIAL BUSINESS: USING WEB 2.0 AND SOCIAL NETWORKS IN THE BUSINESS OF COMPANIES

  Over the recent years Web 2.0 has been at the forefront of high-tech tools and technologies that companies are seeking to use in their business processes. Web 2.0 has emerged as a new wave of business innovation that gives new dimensions to the Internet as a means of communication, cooperation and doing business. This study examines the evolution ... Over the recent years Web 2.0 has been at the forefront of high-tech tools and technologies that companies are seeking to use in their business processes. Web 2.0 has emerged as a new wave of business innovation that gives new dimensions to the Internet as a means of communication, cooperation and doing business. This study examines the evolution of the Web in the context of opportunities for implementing technologies in companies� businesses. Emphasis is placed on the second generation of Web technologies and the social business concept � the new opportunities for adapting and using the Web�s ideas and technologies in companies� businesses. The nature and specific approaches and strategies of social business are presented as a new generation of technologies capable of achieving an increase in companies� income and profits, seizing new market niches, as well as increasing sharply the labour productivity of employees and their incorporation into the main goals of the business. The first part analyzes in brief the evolution of the Web technologies and their impact on the business of companies. The focus is on the nature and changes that the second and third generation of technologies (Web 2.0 and Web 3.0) impose on business processes. The second part examines the priority areas for the application of social technologies in business: management of internal corporate communications, design and development of new products and knowledge management (Intranet environment); corporate communications and interactions with external partners and customers (Extranet environment, B2B model); e-commerce (online stores, B2C model). The practical possibilities of the three approaches for using the social networks in e-business are discussed: opening a representation (an online store) on Facebook or another social network, as an addition to the already existing traditional online store; online trading directly in the social network, without an online store; using the social networks as a complement and alternative to the search engines. The third part of the study examines social business as an opportunity to use new social platforms for communication between companies and their customers. The nature of the new concept of social cooperation, which ultimately reflects in higher productivity and returns on investment, is analyzed. The author presents and analyzes several aspects of social business in a company�s activities � marketing in a Web 2.0 environment and working with clients of the company, interactions with business partners, personnel management and knowledge management in the company.