This paper explores the relationship between self-declared risk aversion of private investors and their willingness to hold diversified portfolios of financial assets. The analysis is based on household survey data from the German Socioeconomic Panel (SOEP) that provides a reliable measure of...

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...

Using micro-level panel data of about 35,000 firms from the German Cost Structure Census, we analyze the differences of technical efficiency across industries. Technical efficiency is estimated by firms fixed effects. One striking result is that the distribution of technical efficiency across...

This paper analyzes the distribution of technical efficiency within manufacturing industries. Using a representative sample of 35,000 firms in 255 industries of the German cost structure census, technical efficiencies are estimated by applying a deterministic frontier production function with...

We introduce a new two-dimensional measure for the heterogeneity of performance within groups of economic units. This measure accounts both, for the relative performance of the single units of groups and their relative size. We demonstrate that the new measure leads to a much more differentiated...

Using network approaches to subsidiary theory, this paper investigates the impact on performance of interactions between the factors of autonomy, intra and inter-organizational network relationships. The paper analyzes both direct and indirect interactions between these factors. This study...

The worldwide telecommunications equipment industry has experienced an enormous number of mergers and acquisitions (M&A). This paper examines the innovation determinants of M&A activity and the consequences of M&A on technological potential and innovation performance. We extend the...

We examine firms’ motivation to change their main bank and how this switch affects loans, interest payments, and firm performance. Applying treatment effect analysis to unique firm-bank matched Ukrainian data, we find that larger and more highly leveraged companies are more likely to switch...

This paper investigates the determinants of liability maturity choice in emerging markets using a unique panel of 4,500 Ukrainian rms during the period 2000-2006. Our estimates conrm the importance of agency costs, liquidity, signaling, and taxes for the liability term structure of rms operating...