In the monthly ifo Business Survey, around 9000 companies answer questions about their current business situation, expectations, and plans for the near future as well as on other business variables. Beyond the regular questions, ifo has also the possibility to include supplementary questions...

The Bundesbank Online Panel - Firms ("BOP-F") is a dataset with responses from a high frequency firm-level survey of the same name. The Bundesbank has conducted the survey since June 2020, and since July 2021 the survey has been carried out at a monthly frequency. Every month, around 3000 firms...

Poor coverage of top incomes in surveys, also referred to as the "missing rich" problem, leads to severe underestimation of income inequality. At the regional level this shortcoming is even more eminent due to small regional sample sizes. Tax records contain more accurate income information at...

The IABSE-ADIAB dataset provides the linkage between the most recent case of a hire from the IAB Job Vacancy Survey and the administrative data of the hired person. The data comprise the entire working history of persons who were identified as IAB Job Vacancy Survey hires from 2010 to 2020. The...