Im Gegensatz zu einer Veröffentlichung über formale statistische Methoden, die bei Neuauflagen in der Regel durch neuere Methoden ergänzt wird, ist die Datengewinnung in der Wirtschafts- und Sozialstatistik von der Entwicklung der amtlichen und nicht amtlichen praktischen Statistik abhängig,...

In a randomized control trial, the precision of an average treatment effect estimator can be improved either by collecting data on additional individuals, or by collecting additional covariates that predict the outcome variable. We propose the use of pre-experimental data such as a census, or a...

In a randomized control trial, the precision of an average treatment effect estimator can be improved either by collecting data on additional individuals, or by collecting additional covariates that predict the outcome variable. We propose the use of pre-experimental data such as a census, or a...

In a randomized control trial, the precision of an average treatment effect estimator and the power of the corresponding t-test can be improved either by collecting data on additional individuals, or by collecting additional covariates that predict the outcome variable. We propose the use of...