The paper provides empirical evidence for the causal impact of broadband Internet on the economic performance of German firms. Performance is measured in terms of labour productivity and realised process and product innovations. The analysis refers to the early phase of DSL expansion in Germany...

This paper empirically analyzes the existence of market power in the global iron ore market during the period 1993-2012 using an innovative Stochastic Frontier Analysis approach introduced by Kumbhakar et al. (2012). In contrast to traditional econometric procedures, this approach allows for the...

Germany taxes electricity use since 1999. The government granted reduced rates to energy intensive firms in the industrial sector for addressing potentially adverse effects on firms' competitiveness. Firms that use more electricity than certain thresholds established by legislation, pay reduced...

We explore the determinants and effects of trust relationships between upstream suppliers and downstream producers. Using unique survey data on individual supplier-buyer relationships in the German automotive industry, we show, by means of different measures of supplier-buyer trust, that higher...

This paper studies the impact of the adoption of ICT on the economic performance at the firm level, considering explicitly the interaction of adopting firms within the intermediate input market in Germany. The paper identifies and quantifies the importance of adoption externalities and knowledge...

This paper examines whether information technology (IT) and decentralized work organization are complementary only for large firms or also for smaller firms. Empirical evidence, which suggests complementarity between IT and decentralization, is mainly based on large firms. Using data from a...

This paper analyses fundamental location factors for the financial industry by investigating the economic significance of market participants' assessments of location factors and country-specific characteristics over time. A unique data set allows studying the locational attractiveness of...

In this paper, I analyse the relationship between offshoring and ICT at the firm level differentiating between manufacturing and services. Using firm-level data from the manufacturing and service sector in Germany and a broad range of ICT measures, overall, the results reveal a positive...

Do firms sourcing out IT services redirect their resources to innovation activity? We attempt to answer this question by analysing a firm-level data set comprising 1453 firms from the German manufacturing and services sectors. Using different measures of IT outsourcing (ITO), the econometric...

Mobile internet access allows for flexibility with respect to working time and working place. We analyse whether employees' use of mobile internet access improves firms' labour productivity. Our data set comprises 2460 German firms and refers to the year 2010, when mobile internet started its...