This paper proposes a novel and simple approach to compute daily Value at Risk (VaR) and Expected Shortfall (ES) directly from high-frequency data. It assumes that financial logarithm prices are subordinated unifractal processes in the intrinsic time, which stochastically transforms the clock...

This paper documents the influence of diaspora networks of high-skilled individuals ? i.e., inventors ? on international technological collaborations. By means of gravity models, it studies the determinants of the internationalization of inventive activity between a group of industrialized...

In the current paper, we study the stability and the survival probabilities of enterprises and banks within a prolonged duration of the debt-crisis, with Monte Carlo simulation. We utilize historical data from banks and enterprises within the debt-crisis to define crisis-variability and...

In economic and social sciences it is crucial to test theoretical models against reliable and big enough databases. The general research challenge is to build up a well-structured database that suits well to the given research question and that is cost efficient at the same time. In this paper...

Yachting tourism is an emerging industry in coastal regions, particularly in the Mediterranean countries. The rising success of yachting tourism induces a significant boom in its relevant business segments. As a type of leisure tourism, yachting tourism plays a big role in an experience economy,...

Agriculture occupies an important place in the Romanian economy, helping to provide food to the population from internal sources and facilitating links with secondary sectors. In recent years, the grain sector has seen a trend of growth in areas cultivated with rapeseed among the farm, this...

Nowadays finding patterns in large social network datasets is a growing challenge and an important subject of interest. One of current problems in this field is identifying clusters within social networks with large number of nodes. Social network clusters are not necessarily disjoint sets;...

Textual data and analysis can derive new insights and bring valuable business insights. These insights can be further leveraged by making better future business decisions. Sources that are used for text analysis in financial industry vary from internal word documents, email to external sources...

Urban and suburban transport is a transport system that combines various types of transport, transporting people and goods in the city and the nearest suburban area, as well as performing work on the improvement of the city. The urban transport system is part of a diversified urban economy and...

This paper contributes towards the growing debate concerning the world distribution of income and its evolution over that past three to four decades. Our methodological approach is twofold. First, we formally test for the number of modes in a cross-sectional analysis where each country is...