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  Trends in Project Portfolio Management

  The article is devoted to some aspects of the system of project management activity in project oriented organizations as there is more and more growing interest of the organizations in Bulgaria to project management usage. The main motive for this probably is the becoming aware necessity of the organizations to improve their managerial processes. ... The article is devoted to some aspects of the system of project management activity in project oriented organizations as there is more and more growing interest of the organizations in Bulgaria to project management usage. The main motive for this probably is the becoming aware necessity of the organizations to improve their managerial processes. The purpose of the article is to shape out some of the advantages of the Project Management Office (PMO) as an element of the system of project management and also its role in project portfolio management in project oriented organizations.

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  Algorithm for Econometric Estimation of the Aggregated Production Function by Transcendental Logarithmic (translog) Approximation

  The study analyzes the dependence of gross domestic product of the number of employees and gross fixed capital formation in Bulgaria with the help of the aggregate production function. Based on quarterly data, which covered the first quarter of 1996 to the first quarter of 2007, is examined the elasticity of substitution of production factors. It ... The study analyzes the dependence of gross domestic product of the number of employees and gross fixed capital formation in Bulgaria with the help of the aggregate production function. Based on quarterly data, which covered the first quarter of 1996 to the first quarter of 2007, is examined the elasticity of substitution of production factors. It is tested three types of production functions – a production function with variable elasticity of substitution of factors (VES-function), a production function with constant elasticity of substitution of factors (CES-function) and classical Cobb-Douglas function. Estimates of the parameters were obtained with the least squares method, applied to transcendental logarithmic (translog) approximation of the production function.

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  Humor - a Means of Efficient Business Communication. Age, Gender and Cultural Differences

  Humour is considered a means for efficient business communication and a factor for successful business. It relieves the tension and stress, „breaks the ice”, leads to creative decisions, conveys inconvenient truths as skillful jokes, wins sympathy and trust when the jokes are directod to the speaker, „aikido”, etc. Everybody can learn how to joke. ... Humour is considered a means for efficient business communication and a factor for successful business. It relieves the tension and stress, „breaks the ice”, leads to creative decisions, conveys inconvenient truths as skillful jokes, wins sympathy and trust when the jokes are directod to the speaker, „aikido”, etc. Everybody can learn how to joke. This requires some knowledge on the essence of humour, the main types of humour, the importance of humour, and especially on the existing age, gender, and cultural differences. With such knowledge and appropriate trainnig everybody shall know when, where, and how to use his sense of humour.