This paper reviews more than one hundred Pareto (and equivalent) tail index estimators. It focuses on univariate estimators for nontruncated data. We discuss basic ideas of these estimators and provide their analytical expressions. As samples from heavy-tailed distributions are analysed by...

In this paper we apply time series analysis to examine weekly data of Vladimir Putin’s approval and confidence ratings and their dependence on terrorist attacks. We find that minor terrorist attacks with few or no mortal casualties in Chechnya, Ingushetia and Dagestan increase Putin’s...

In this paper, we develop a supply-demand model for the public sector, measured as governments' tax revenues divided by GDP. We use a political equilibrium with a rule of majority. The model takes into account inefficiencies caused by taxes and includes costs associated with public goods...

Šiais laikais atliekama daug tyrimų ultra aukšto dažnio duomenų srityje. Nagrinėjant duomenis jų pasirodymo metu, galima suprasti daugelį įvairių procesų, vykstančių prekyboje, bei geriau išnagrinėti rinkos mikrostruktūrą. Be to, ultra aukšto dažnio duomenys pasižymi daugeliu...

This paper discusses a bootstrap-based test, which checks if finite moments exist, and indicates cases of possible misapplication. It notes, that a procedure for finding the smallest power to which observations need to be raised, such that the test rejects a hypothesis that the corresponding...

This paper analyses the link between migration and sizes of countries. It explains why larger countries (in terms of population) have lower shares of migrants in their populations. First, the data is analysed; next, a macroeconomic model with international trade and migration, explaining the...

This paper presents a simple condition for optimal asymmetric labour (capital) taxation/subsidization in a two-sector model with logarithmic utilities and Cobb-Douglas production functions, linked to demographic factors: fertility rate and longevity. The paper shows that depending on parameter...

This paper provides an explanation of why population ageing is associated with deflationary processes. For this reason, we create an overlapping-generations model (OLG) with money created by credits (inside money) and intergenerational trade. In other words, we combine a neoclassical OLG model,...

This paper proposes a simple, fast and direct nonparametric test to verify if a sample is drawn from a distribution with a finite first moment. The method can also be applied to test for the existence of finite moments of another order by taking the sample to the corresponding power. The test is...

This paper studies whether a pension reform, namely a switch from a pay-as-you-go (PAYG) to a more-funded scheme should be announced. We show that such an announcement increases savings, leading to a decline in interest rates. Smaller returns to savings lead to higher losses for the first...