In response to global market forces such as deregulation and globalization, technological change and digital convergence, the telecommunications in the 1990s witnessed an enormous worldwide round of Mergers & Acquisitions (M&A). Given both M&A and Innovation a major means of today’s competitive...

Although there is growing evidence on the role of agglomeration economies in the formation and growth of firms, both the concepts of agglomeration economies and entrepreneurship tend to be ambiguously defined and measured in the literature. In this study, we aim to improve the conceptualisations...

Firms selling multiple quality-differentiated products frequently alter theirproduct lines when a competitor enters the market. We present a model of multiproductmonopoly and duopoly using a general “upgrades” approach that yields a powerfulanalytical framework. We provide a simple...

Ein großer Anteil der multinational tätigen Großunternehmen ist in technologieintensiven, dynamischen Branchen tätig und verfügt über ein breites Spektrum an technologischen Ressourcen. In den vergangenen Dekaden hat ein Großteil dieser Unternehmen zunehmend Wertschöpfungsleistungen an...

Teamwork and cooperation between workers can be of substantial value to a firm, yet thelevel of worker cooperation often varies between individual firms. We show that thesedifferences can be the result of labor market competition if workers have heterogeneouspreferences and preferences are...

This paper investigates the effects of organizational and technological changes on jobstability of different occupational categories in France. We conduct an empirical analysis inwhich we make extensive use of a unique data set on a representative sample of Frenchestablishments...

The traditional approach to measuring allocative efficiency is based on input prices, which are rarely known at the firm level. This paper proposes a new approach to measure allocative efficiency which is based on the output-oriented distance to the frontier in a profit technical efficiency...

The evaluation of consulting services is a widely, but controversially discussed issue. While there is obviously an increasing need for appropriate evaluation, there are critics questioning the applicability of evaluation methods as well as the motivation to assess. We provide a framework that...

The aim of this paper is to analyse the effects of knowledge management on theinnovation success of firms in Germany. Using a matching procedure on data from theGerman Innovation Survey of 2003 (“Mannheim Innovation Panel”), we pair firmsapplying knowledge management with twin firms with...

This paper gives an overview of different methodologies related to value chain analysis in thecontext of environment and trade research. Four major fields of methodologies are identified:Accounting of input-output flows, general equilibrium models, econometrics, and globalcommodity chain...