It has traditionally been argued that the development of telecommunications infrastructure is dependent on the quality … telecommunications services and find it to be much smaller in cellular telephony than in the others. By evaluating the importance of … offer policy implications for alleviating differences between countries in international telecommunications development. …

that this will lead to a dynamic factor model with the dominant unit acting as the factor. The problems of estimation and … documented by Monte Carlo experiments. An empirical application to modelling of real GDP growth and investment-output ratios … dominant effects are found. The results also suggest that increase in investment as a share of GDP predict higher growth rate …

relevance of strategic hiring is shown using the same empirical strategy. At the same time, the test is shown to be invalid if …

Germany, this paper presents the first comprehensive evidence on the relationship between exports and profitability. It … documents that the positive profitability differential of exporters compared to non-exporters is statistically significant …. Instead, we use a newly developed continuous treatment approach and show that exporting improves the profitability almost over …

and gender) and its performance (productivity and profitability) for a large representative sample of enterprises from …' profitability, which is consistent with deferred compensation considerations. Moreover, our analysis reveals for the first time that … with a lower level of profitability in these firms. If anything, profitability is (slightly) higher in firms with a larger …

This paper documents for the first time the relationship between profitability and three types of international trade … Germany, one of the leading actors on the world market for goods, that merge information from surveys performed by the … ; profitability …