The doctoral thesis deals with the issue of evaluating of technical-economic efficiency of wastewater treatment plant projects. Same as most public benefit projects, the main reason for implementation is the societal benefit of the company, not the impact on the investor. The literature review provides an overview of the most commonly used methods of environmental impact assessment, which differ in both the difficulty of processing and in the structure of input and output information. In accordance with the European legislation, the Cost Benefit Analysis (CBA) is applied to a selected sample of waste water treatment plants, in its economic part, the standardly assessed societal impacts are extended by other possible benefits associated with the implementation of the project implementation. The main output of the thesis is the quantification of the increment to the societal benefit of the project, which is set to the difference between the economic net present value of the investment and the standard and individually designed socio-economic impacts. As an alternative to the traditional approach, the thesis also simulates the Data Envelopment Analysis (DEA), method is based on multi-criteria evaluation shows the technical efficiency of the sewage treatment plant sample and thus serves as a very effective tool in managerial decision-making.

The work deals with the impact of immigration and integration policies on the living conditions of third-country nationals in the country. It is divided into two parts, theoretical and practical. The theoretical part defines related terms and types of migration. Further describes the causes and effects of migration in the economic, social and demographic. This work also introduces the current migration theories. The work also reflects the integration and integration policy of the state to receive and foreigners living in the Czech Republic. The thesis introduces the living conditions of foreigners living in the Czech Republic, with their position in the labor market, with their terms of health and social security. The work is also given view of immigration and immigration policy, Christian social ethics. The practical part of the thesis research by talking to strangers, employees of the state administration and employers who employ foreigners and thus actively contribute to the successful integration of foreigners into Czech society, to verify the facts mentioned in the theoretical part, the search for the causes of these facts, respectively. possible solutions.