The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The article presents the idea of creating trading systems using Dempster-Shafer theory. Simple (usually one-day) technical analysis formations were used to generate signals. The system is created in two stages. Initially, based on historical data, for a defined set of focal elements, the basic probability assignment of each formation is calculated. The probability distributions can then be united...
Structured products are among the fastest growing investment instruments on the Polish market. Although bank deposits are still the most popular form of savings in our country, there has been growing interest in structured instruments since 2007. The article attempts to estimate returns on investment in structured products on the Polish financial market. The subject of the study is structured investment,...
Poverty poses a particular danger to households with dependent children because they contain individuals who do not earn their own income. This makes identifying factors that influence the economic situation (and poverty) of such households one of the key issues in family-oriented policy. One of the essential questions concerns the relationship between the State’s general economic situation and family...
Forecasting economic phenomena is a complex issue which in recent decades some have approached using different statistical and econometric methods. There has recently been a huge increase in interest in the theory of non-linear dynamic systems. This has resulted in the emergence of new prediction methods that use the concepts and methods associated with non-linear dynamic systems. One of this theory’s...
The main goal of the article is to propose the use of the Zenga coefficient to assess the income tax, especially the redistribution effect. The redistributive function allows the state both to raise more funds and to distribute income more evenly. The basic measurement of the level of redistribution consists in assessing the impact of the tax system on inequality in income distribution. Comparing...
The article discusses decision making on the basis of linear partial information. In such a situation, the parameters that describe the problem are not precisely known. The paper also presents rules for making optimal decisions based on expected payoffs and variances or standard deviations and their applications.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.