Die COVID-19-Pandemie ist das beherrschende Thema der letzten 18 Monate gewesen. Die Impfung gegen COVID-19 ist nach wissenschaftlicher Erkenntnis als der Ausweg anzusehen. Der Beitrag verdeutlicht, dass die mit COVID-19 zusammenhängende Impfstrategie in drei Phasen einzuteilen ist, wobei...

Der Beitrag analysiert mögliche spezielle Wettbewerbsprobleme, die in Medienmärkten auftreten können, und ihre Implikationen für die Wettbewerbsordnung. Es wird beleuchtet, ob klassische medienspezifische Wettbewerbsprobleme in der Digitalwirtschaft noch bestehen und welche neuen...

The European Commission has proposed a new regulatory tool for the governance of digital markets. The Digital Markets Act (DMA) intents to limit the market behavior of so- called gatekeeper companies to ensure contestable and fair digital markets. We review the provisions of the DMA both from a...

Recent UN data show that the lifetime fertility of women in developed countries has fallen below 2.1 live births. By contrast, fertility rates in most developing countries have remained quite high despite falling mortality rates. This paper examines the effect of culture on fertility outcomes in...

Using data collected through a telephone-based survey in rural Bangladesh during the height of the pandemic, we present evidence on the effects of COVID-19-led lockdown and school closures on children, focusing on three child-related outcomes: time use of children during the school closure,...

The recent collapse of several microfinance sectors as well as the current COVID-19 pandemic has given rise to a growing concern about the risk of multiple borrowing among microcredit clients in developing countries. Researchers argue that availability of multiple sources of credit has tempted...

The Spanish Christmas Lottery is one of the most common lottery games played in Spain. This paper analyses how local windfall gains from the Christmas Lottery can affect household consumption behavior. We find that there is a significant increase in goods consumption in the winning Regions. More...

How does economic inequality affect public spending on healthcare in democracies? Does this depend upon the demographic composition of the electorate? We build a multidimensional model of political decision-making with endogenous political parties to analyse such questions. Voters in our model...

In this paper, we develop a new game theoretic network centrality measure based on the Shapley value. To do so, we consider a coalitional game, where the worth of each coalition is the total play in the game introduced in Ballester et al. (2006). We first establish that the game is convex. As a...

We study properties of collective action problems bounded by minimal contributions as well as endowment and variable contributions are neighbourhood dependent. We relate nearness to non-interior agents and its implication for interior contribution. Here, we see the aspects of node distance to...