The paper focuses on a comparison of three different approaches that seek to explain the existence of public goods. First the mainstream Samuelson-Musgrave approach, based on the search for an objective nature of so-called pure public goods, is critically evaluated, especially with respect to...

The Czech Council for R&D developed a new version of the Methodic for the Evaluation of R&D. In this paper, we discuss especially three criteria from this Methodic: - publications in impacted journals - publications in other scientific refereed journals - evaluation of publications with more...

Almost all of us sometimes voluntarily give up some scarce resources to make someone else better. Not only the amount of resources used for such purposes, but also other wider concerns (implications for private and government sector) have drawn the attention of economists in recent decades. In...

One of the key assumptions of neoclassical economics is the existence of the rational individual, who always tries to maximize his or her utility. The paper shows possibilities of experimental evaluation of this hypothesis with respect to the various groups of people who undertake the...

Estimation of volatility of financial time series plays a crucial role in pricing derivatives. Volatility is often estimated from historical data; however, it is well known that volatility varies in time. We propose a method to choose a suitable length of historical data to estimate contemporary...