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This study analyses institutional, job-related, and individual antecedents of entrepreneurial activities from a longitudinal perspective. We take a holistic look at the start-up process incorporating entrepreneurial gestation activities (nascent entrepreneurship) and finally business creation (entrepreneurship) by combining two waves of a survey with a time interval of three years. Focusing on researchers reporting an entrepreneurial intention in wave one we found for example that pull factors as motivation to start a business reduce the probability to give up the business idea. Furthermore having generated an invention prevents researchers with a business idea from becoming a so-called "quitter" and pushes them towards starting their own business.