The German government aims at a climate-neutral building stock by 2050 to reach the goals defined in the Climate Action Plan 2050. Increasing the energy efficiency of existing buildings is therefore a high priority. For this purpose, investments of private homeowners will play a major role since...

Certainly the current crisis is affecting seriously the convergence process in EU. Starting from the spatial distribution in EU of some fundamental development indicators before the current crisis, we try to estimate the impact of the prolonged crisis. During last years, the less developed...

This paper explores the remarkable roles of exchange rates when a cryptocurrency is adopted and commonly used as another type of foreign currency in the international economy. First, in order to examine its movement, we describe the price of a cryptocurrency as the relative price in terms of a...