This PhD thesis, entitled "Essays in Empirical Studies Based on Administrative Labour Market Data", is composed of three independent chapters, a general introduction for all three chapters at the beginning, and a brief conclusion in the end. While all three chapters are independent research...

Linking individuals across historical datasets relies on information such as name and age that is both non-unique and prone to enumeration and transcription errors. These errors make it impossible to find the correct match with certainty. We suggest a fully automated method for linking...