This dissertation is comprised of three essays, each examining a different topic in labor economics. In Chapter 1, I examine the productivity and selection effects of K-12 teacher tenure by leveraging variation from New Jersey's TEACHNJ Act. This law extended the pre-tenure period from three to four years and allowed districts to dismiss…

National Foundation for Educational Research's (NFER's) first annual report on the state of the teacher workforce measures the key indicators of the teacher labour market and teachers' working conditions. The recruitment, development and retention of teachers and school leaders is a crucial underpinning for a successful education system. However,…