“...This book covers all spectral domains used for observing astrophysical objects and phenomena in space. It presents extensive details on general techniques used...”

“...The decomposition of gender or ethnic wage gaps into explained and unexplained components (often with the aim to assess labor market discrimination) has been a...”

“...Sample selection and attrition are inherent in a range of treatment evaluation problems such as the estimation of the returns to schooling or training...”

“...We test the validity of the sibling sex ratio instrument suggested by Angrist and Evans using the methods proposed by Kitagawa and Huber and Mellace. The sex...”

“...This paper extends the evaluation of direct and indirect treatment effects, i.e., mediation analysis, to the case that outcomes are only partially observed due...”

“...Identification in most sample selection models depends on the independence of the regressors and the error terms conditional on the selection probability. All...”

“...Based on Huber and Mellace (2015) and Kitagawa (2015), we test the validity of compulsory schooling laws as instrument for endogenous schooling choices in the...”

“...Abstract Previous research found that less accommodating caseworkers are more successful in placing unemployed workers into employment. This paper explores the...”