Values are culture.
Work environment is culture.
How employees behave is culture.
It starts with hiring better (having a defined process). And it's cultivated when you clearly communicate that culture on a daily basis (in 1:1's, meetings, and through your actions).
More than just rewards, employees are looking for respect, role models, and growth opportunities.
So the next time you're tempted to buy a new ping pong table, consider what steps you've taken already to build a place where people feel valued