Essays on labor economics and applied econometrics

Zapp, Kristina Maria

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URN:	urn:nbn:de:bsz:180-madoc-623056
Document Type:	Doctoral dissertation
Year of publication:	2022
Place of publication:	Mannheim
University:	Universität Mannheim
Evaluator:	Siegloch, Sebastian
Date of oral examination:	25 May 2022
Publication language:	English
Institution:	Außerfakultäre Einrichtungen > Graduate School of Economic and Social Sciences - CDSE (Economics)
Subject:	330 Economics
Keywords (English):	fixed effects , clustering , economic connectedness , minimum wages
Abstract:	This thesis consists of three self-contained chapters. The first chapter, which is joint work with Enno Mammen and Ralf A. Wilke, proposes and implements a new estimation approach to estimate an unknown group structure within a linear fixed effects panel model. We estimate the group structure by combining unsupervised and supervised statistical learning techniques. In the second chapter I analyze regional dynamic patterns of the COVID-19 pandemic with dynamic time warping. Further, the chapter studies whether connected regions have similar patterns. In Chapter 3, which is joint work with Christina Gathmann and Terry Gregory, we estimate the effect of a minimum wage introduction on the capital-intensity of treated firms.