Alex Coad (The European Commission), Kristian Nielsen (Aalborg University) and Bram Timmermans (Norwegian School of Economics) recently published the article "My First Employee: An Empirical Investigation" in Small Business Economics. The study focuses on the critical decision when solo entrepreneurs hire their first employee by investigating the three questions: who hires?, whom gets hired? and what happens after the hire? (i.e. the effect on sales) based on Danish register data.
Read the full article: http://link.springer.com/article/10.1007/s11187-016-9748-3