@phdthesis{Ulrich2022, author = {Lennart Ulrich}, title = {How firm value reacts to exogenous shocks: evidence from the announcements of takeover defenses and the propagation of Covid-19}, type = {doctoralthesis}, pages = {XIII, 190 Bl{\"a}tter}, school = {Universit{\"a}t Trier}, doi = {10.25353/ubtr-xxxx-ee5b-26b1}, year = {2022}, }