Cluster sampling is a widely used sampling design for survey data selection. The collected data provide information on both the individual units and the clusters. The parameter of interest is an unknown population total at the unit level. Due to the cluster sampling design, the model-assisted...

A tanulmány a különböző, olajipart érintő, Oroszországot célzó szankciós bejelentések hatását vizsgálja három – a Brent-, a WTI- és az Urals-típusú – nyersolaj-portfólió azonnali árfolyamára vonatkozóan. Az orosz–ukrán háború kezdetét követő időszakot...

We introduce a new jackknife variance estimator for panel-data regressions. Our variance estimator can be motivated as the conventional leave-one-out jackknife variance estimator on a transformed space of the regressors and residuals using orthonormal trigonometric basis functions. We prove the...

Suppose that nations became so concerned about the risks from advanced artificial intelligence (AI) that they were willing to consider bold and ambitious international coordination proposals. One such proposal involves the establishment of a new international AI authority responsible for the...

The martial art of Brazilian Jiu-Jitsu combines submission grappling techniques derived from Judo, Sambo and Freestyle Wrestling. Between 2015 and the start of the pandemic in early 2020 BJJ 24-7 experienced substantial growth in its number of competitors and events. BJJ 24/7 held approximately...

Each person's journey is unique and yet we are all journeying together, co-creating this reality we call life. In this chapter I will explore concepts of work and meaningful work, as well as working in education precariously, and precarity itself. This exploration will all take place in relation...

Kutatásomban a játékosítás lehetőségeit és hatását vizsgáltam az üzleti felsőoktatásban. A játékosítás játékokból kölcsönzött elemek (játékelemek, játék mechanikák) használatát jelenti nem játékos folyamatokban. Ennek célja a tanulási folyamatban résztvevő...

In this paper, we examine if and to what extent the Kaleckian theory of markup pricing can explain changes in functional income distribution in an environment of financialization. Following this approach, we expect financialization to influence the aggregate wage share through three channels:...