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...

We study the role of ethnic networks in migrants` job search and the quality of jobs they find in the first years of settlement. We find that there are initial downward movements along the occupational ladder, followed by improvements...

Differences in regional unemployment in post-communist economies are large andpersistent. We show that inherited variation in human-capital endowment across the regionsof four such economies explains the bulk of regional unemployment variation there and weexplore potential explanations for this...

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...

This article illustrates the commonly overlooked sample selection probleminherent in using rural classification methods that change over time due to populationchanges. Since fast growing rural areas grow out of their rural status, using recent ruraldefinitions excludes the most successful places...

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...

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)"...