"Scientific research" Almanac

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  MANAGING PROJECTS FOR ELECTRICITY PRODUCTION FROM RENEWABLE ENERGY SOURCES

  The main purpose of the present study is to identify possibilities for improving the management of renewable energy projects in Bulgaria. This goal is achieved by completing the following tasks – reviewing the characteristics of renewable energy project management as a factor of ecologically-oriented company policies; outlining the possibilities ... The main purpose of the present study is to identify possibilities for improving the management of renewable energy projects in Bulgaria. This goal is achieved by completing the following tasks – reviewing the characteristics of renewable energy project management as a factor of ecologically-oriented company policies; outlining the possibilities for improving management mechanisms of such projects within companies. The object of study is the renewable energy projects carried out in Bulgaria and in particular the possibilities for effective company management of photovoltaic parks. Special attention is paid to the possibilities for overcoming setbacks in the management of such projects regardless of the causes that have led to them. The study proposes a flexible model for managing renewable energy projects (photovoltaic parks) by companies as a way of implementing ecologically-oriented practices.

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  PREDICTING DEMAND OF BUNDLED TELECOMMUNICATIONS SERVICES USING DISCRETE CHOICE-BASED MODELS

  This study explores consumer choice of bundled telecommunications services and empirically investigates some new possibilities of menu-based choice models for explaining and predicting the share of preferences. It demonstrates how to use menu-based conjoint analysis, aggregate multinomial logit and hierarchical Bayes models in order to estimate ... This study explores consumer choice of bundled telecommunications services and empirically investigates some new possibilities of menu-based choice models for explaining and predicting the share of preferences. It demonstrates how to use menu-based conjoint analysis, aggregate multinomial logit and hierarchical Bayes models in order to estimate part-worth utilities of attributes and price levels of digital telecommunications services for home users. A spreadsheet-based analytical simulation model for predictive analysis of the demand structure for alternative scenarios is composed based on empirical estimates of preferences. Our research purpose is to offer and demonstrate opportunities for optimal planning of product bundles that match the actual and potential customers’ expectations and willingness to pay.

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  THE BANKING SECTOR IN CRISIS

  Banking crises are costly for the economic crises, not only because of the high direct rescue costs, but also due to the negative effects on the economy by limiting the access to credit resources, negative impact on the price of government debt and securities of local companies, as well as a possible devaluation of the national currency. The aim ... Banking crises are costly for the economic crises, not only because of the high direct rescue costs, but also due to the negative effects on the economy by limiting the access to credit resources, negative impact on the price of government debt and securities of local companies, as well as a possible devaluation of the national currency. The aim of this study is to clarify the causes and transmission mechanisms of the global financial crisis of 2007, and to advocate the following idea: effective risk management in the financial sector at the international level is the only way to prevent future global financial crises. In this context, the following main tasks are defined: (1) factors for the occurrence of banking crises, and in particular – the global financial crisis of 2007, (2) transmission mechanisms of infection in the international banking sector, (3) the impact of the global financial crisis on the banking sector, and (4) policy options for risk management in the banking system and for strengthening it.