This paper investigates the efficiency of the public sector in a sense of public performance and expenditures. For 23 European countries and for the period between 1995 and 2015 we construct a measure of public sector performance that consist of nine distinct indices for each area of public...

This paper determines the convenience yield implied in the European natural gas markets and investigates driving factors and according dynamics. For this, we approximate the convenience yield via an option-based approach, in which the convenience yield is determined as the difference between two...

We analyze the relation between European natural gas storage facilities and price patterns at major trading points, considering the theory of storage to derive a testable hypothesis imposed by the non-arbitrage condition. To model the efficiency of the natural gas market, we apply two indirect...