Happy hour is a common tactic used by bars to get more business. It turns out that happy hour promotions actually do bring in more revenue. The company Cake conducted a study that compared bars with happy hours vs. bars without it. Bars with happy hours had more transactions than those without and had more transactions during happy hours vs. non-happy hours. Small bars were also able to make more revenue than larger bars without happy hours.

Read more: Happy hour pays off for bar operators, data finds