At the current stage of Ukrainian state integration into European community, country leaders face new challenges that require efficiency improvement public management and administration based on democracy human-centeredness. Urgency leadership development in Ukraine is closely related to foreign countries’ experience study mechanisms formation leadership, characterized by a high level moral va...

The goal of this paper is to propose and study properties of multiwinner voting rules (with a particular focus on rules based in some way on single-winner scoring rules). We consider, e.g., SNTV, Bloc, k-Borda, STV, and several variants of Chamberlin–Courant’s and Monroe’s rules, identify two natural approaches to defining multiwinner rules, and show that many of our rules can be captured by on...

The extent to which women have had access to legal abortions has changed dramatically in Western-Europe between 1960 and 2010. In most countries, abortion laws developed from completely banning abortion to allowing its availability on request. Both the timing and the substance of the various legal developments differed dramatically between countries. Existing comparative studies on abortion law...

This paper is the latest in a series initiated in 1999 which investigates childbearing in low fertility countries from a cohort perspective. Principal conclusions: Major changes in childbearing patterns are continuously taking place in almost all countries. Large families with four and more children have all but disappeared. Almost everywhere the two-child family became dominant. Proportions of...

Using the national income expenditure distribution data from 111 countries, we decompose total inequality between the individuals in the world, by continents and regions. We use Yitzhaki’s Gini decomposition which allows for an exact breakdown of the Gini. We find that Asia is the most heterogeneous continent; between-country inequality is much more important than inequality in incomes within c...