Dieser Aufsatz dient dem Versuch, ein konsistentes wirtschaftspolitisches Bewertungsverfahrenzur Analyse der Leistungsfähigkeit der genossenschaftlichen Bankunternehmung zuentwickeln. Dafür wird das auf linearer Programmierung beruhende Schätzverfahren "DataEnvelopment Analysis (DEA)"...

This paper studies the distribution of the classical t-ratio with data generatedfrom distributions with no nite moments and shows how classical testing is affectedby bimodality. A key condition in generating bimodality is independenceof the observations in the underlying data generating process...

In this paper we analyse the effect of R&D co-operation on firms´ innovationperformance. We investigate the effect of past co-operation on current sales ofinnovative products, distinguishing between products new to the firm and new tothe market, and on cost reductions due to innovative...

We analyse pricing, e¤ort and tipping decisions in the online service GoogleAnswers. While users set a price for the answer to their question ex ante, theycan additionally give a tip to the researcher ex post.In line with the related experimental literature we …nd evidence that tippingis...

This paper presents a survey on panel data methods in which I emphasize new developments. In particular, linear multilevel models with a new variant are discussed. Furthermore, non linar, nonparametric and semiparametric models are analyzed. In contrast to linear models there do not exist...

Applying data from 13 waves of the Swiss Labor Force Survey (1991-2003) I assess costs andbenefits of fixed-term contracts. First, I analyze the existence of a contract related wage gapand the effort response of temporary employees in terms of unpaid overtime hours. Second, Iinvestigate whether...

The aim of this paper is to test the predictions of Sutton's model of independentsubmarkets for the Italian retail banking industry. This industry, in fact, can be viewedas made of a large number of local markets corresponding to different geographicallocations. In order to do that, I first...

Mergers and acquisitions (M&As) constitute a disruption to the workingenvironment of the inventive labor force of the acquired company. If inventors wouldrespond with a decline of their patent productivity or departure from the firm thiscan be detrimental to the innovative process within the...

Determining the research and development (R&D) boundaries of the firm as the choicebetween internal, collaborative and external technology acquisition has since long been amajor challenge for firms to secure a continuous stream of innovative products or processes.While research on R&D...