Journals favor rejection of the null hypothesis. This selection upon tests may distort the behavior of researchers. Using 50,000 tests published between 2005 and 2011 in the AER, JPE, and QJE, we identify a residual in the distribution of tests that cannot be explained by selection. The...

It has recently been argued that the informal sector in developing countries shows a dual structure, with part of the informal sector being competitive to the formal sector and part of the informal sector being the result of market segmentation. We formulate an econometric model to test this...

It has been recently argued that the informal sector of the labor market in a developing economy shows a dual structure with one part of it being competitive to the formal sector and another part being the result of market segmentation. To test this hypothesis we formulate an econometric model...

This paper analyzes the medium-term growth performance of firms that exclusively received start-up assistance from programs administered by the Deutsche Ausgleichsbank (DtA), a state owned bank, within two years after startup. I apply a parametric selection approach that controls for two...

The financial and non-financial involvement of venture capitalists is supposed to be positively correlated with firm performance. This paper deals with the evaluation of the impact of venture capitalists on employment growth of new founded firms. Differences between high-tech and low-tech...

Die Evaluierung der Investitionen in Ausbildung undihrer Wirkungen auf den Arbeitsmarkt ist in modernen Gesellschaften von zentralemInteresse. Gewöhnlich ist die Meinung gegenüber der ökonomischen und gesellschaftlichenRendite der Ausbildung positiv: ein Mehr an Ausbildung zieht eine...

Actual investment performance reflects the underlying strategy of the portfolio manager and the execution costs incurred in realizing those objectives. Execution costs, especially in illiquid markets, can dramatically reduce the notional return to an investment strategy. This paper examines the...

The analysis of longitudinal repeated measures data is frequently complicated by missing data due to informative dropout. We describe a mixture model for joint distribution for longitudinal repeated measures, where the dropout distribution may be continuous and the dependence between response...

Telemedicine offers an alternative referral strategy for fetal cardiology but is currently only used for ?high-risk? pregnancies. A case-study of a cost-consequences analysis comparing telemedicine to direct referral to a perinatal cardiologist is initially presented, which highlights that for...

This paper shows the importance of correcting for sample selection when investing in illiquid assets with endogenous trading. Using a large sample of 20,538 paintings that were sold repeatedly at auction between 1972 and 2010, we find that paintings with higher price appreciation are more likely...