Data Envelopment Analysis (DEA) has become an established approach for analyzing and comparing efficiency results of corporate organizations or economic agents. It has also found wide application in comparative studies on airport efficiency. The standard DEA approach to comparative airport...

In this article we investigate the innovation-sales growth nexus in Europe. We use data from European Innovation Scoreboard of the European Commission in the period 2000-2019 for 36 countries. Data are analyzed using Panel Data with Random Effects, Fixed Effects, Dynamic Panel at 1 Stage, Pooled...

This paper introduces cultural gravity as a new concept for analyzing socio-economic disparities among immigrants. It tests the existence of cultural gravity effects on the geographic concentration and human capital productivity of immigrants. Using cultural distance as a proxy for the local...

The concentration of people with diverse socio-cultural backgrounds in particular geographic areas may boost the creation of new ideas, knowledge spillovers, entrepreneurship, and economic growth. In this paper we measure the impact of the size, skills, and diversity of immigration on the...

In the age of migration, many developed countries face an increasing heterogeneity of their residents. Migrant flows often lead to political discussion about the impact of migrants on labour markets, economic growth, and urban agglomeration processes, and consequently many of these causalities...

The concentration of people with diverse socio-cultural backgrounds in particular geographic areas may boost the creation of new ideas, knowledge spillovers, entrepreneurship, and economic growth. In this paper we measure the impact of the size, skills, and diversity of immigration on the...

Electricity markets rely on other upstream energy markets like oil, gas, and coal to provide the necessary fuel for generation. As both the electricity market and those upstream markets rely on networks, congestion on one market may lead to changes on another. In this paper we analyze the...

We present an optimization model of the European natural gas market which is intended for the use within a regulatory approach providing incentives for efficient transmission investments. The stylized model is designed as welfare maximization taking into account production, pipeline, LNG, and...