increasingly important sector in the German economy. Cross-sectional data from an innovation survey and panel data from a quarterly …

. For this purpose, we employ administrative panel data on 28,600 manufacturing firms from German Statistical Offices …

probability sample, or it may be caused by self-selection in an internet survey. A contraction theorem from mathematical … demography is used to show that an initial bias can "fade-away" in later panel waves, if the transition laws in the observed … sample and the population are identical. Panel attrition is incorporated into the Markovian framework. Extensions to Markov …

The fixed effects (FE) panel model is one of the main econometric tools in empirical economic research. A major … to grouping FE in the linear panel model to reduce their dimensionality and ensure identifiability. By using unsupervised … than conventional panel models. …

We develop a new Bayesian estimator that is able to deal with multivariate panel data structure in the presence of … spatial correlation. The analysis of panel data introduced here allows us to analyze not only the fixed effect but also the …

Does access to the broadband internet stimulate firm growth? In this paper, I analyze within-firm growth of established … firms caused by the access to faster internet using geocoded social-security data. I identify firm responses to the access … to the first generation of broadband internet and later speed upgrades by exploiting technological peculiarities of the …