Our paper deals with empirical and technical problems to derive (conventional) cost functions in banks and other financial institutions. One main reason is based on the still ongoing discussion on inputs and outputs of financial intermediaries. A second obstacle is due to the fact that most of...

Deciding whether a time series that appears nonstationary is in fact fractionally integrated or subject to structural change is a diffcult task. However, various tests have recently been introduced for distinguishing long memory from level shifts and nonlinearity. In this paper, three testing...

Previous research has generally shown that increased export experience has a positive impact on the subsequent survival of newly launched export relationships of a firm. In this paper, we find that there are important differences in the effects of firm experience on export survival depending on...

We examine the relationship between exporting experience and the duration of firm export product flows. We find that more experienced firms (in years of exporting) show a higher probability of failure associated with the introduction of new products. On the other hand, firms with broader export...