Aim/purpose - The aim of the paper is to rank the optimal portfolios of shares of companies listed on the Warsaw Stock Exchange, taking into account the investor’s propensity to risk. Design/methodology/approach - Investment portfolios consisting of varied number of companies selected from WIG...

Aim/purpose - The purpose of this paper is to clarify the certification process of the Good Clinical Practice (GCP) competencies based on a comparison with the project management (PM) certification process. This aim was accomplished by model development. Design/methodology/approach – The study...

Aim/purpose - The aim of this paper is to verify whether extremely high values of market value ratios are the symptoms of informational inefficiency of the market in a weak form. The authors intend to examine whether these phenomena co-occur with each other. Design/methodology/approach -...

Aim/purpose - The purpose of this paper is to analyze regional trade integration of 10 Central and Eastern Europe countries (CEE-10) during the 2004-2018 period, identify regional- and country-level integration patterns and attribute them to potential causes indicated by the literature....

Aim/purpose - Web-scraping is a technique used to automatically extract data from websites. After the rise-up of online shopping, it allows the acquisition of information about prices of goods sold by retailers such as supermarkets or internet shops. This study examines the possibility of using...

Aim/purpose - The aim of this paper was to establish the nexus between a budget deficit and selected macroeconomic variables in Kenya. This adds to the existing literature while the methodology and choice of the econometric tools used improve the predictability of the link between a budget...

Aim/purpose - The aim of this paper is to present two cases of crises in Greece and Italy and to evaluate the shadow exchange rates of hypothetical new currencies (re)introduced after Grexit and Italexit. Design/methodology/approach - Both shadow exchange rates are estimated using speculative...

Aim/purpose - The paper has two objectives. The first is to examine the profitability of applying investment strategies based on "buy" and "sell" recommendations issued by stock market analysts. The second objective is to validate that analysts who issue a recommendation may not be impartial...

Aim/purpose - The aim of this paper is to present a strategy that allows companies to recover from disasters, when creating a supply chain. Furthermore, it also shows the impact on the company’s resources that are used in the implementation of the strategy in case of small and big disasters....

Aim/purpose - The main purpose of this research is to identify and characterize the phenomenon of servitization in the food behaviors of Polish consumers and the factors shaping it. Design/methodology/approach - The empirical research was conducted on a sample of 660 respondents in the entire...