In any retail environment, a happy sales staff makes for more pleasant workdays. But it’s also good for business. Healthy staff morale “clearly impacts productivity, profitability, customer service, turnover, and theft,” says David Javitch, president of business ­consulting firm Javitch Associates. “Happy workers tend to be more productive. If morale is high, employees feel that the boss cares about them and cares about the quality of the work they’re doing. The higher those things are, the higher the profitability and worker-customer satisfaction.” But the road to high spirits is paved with misconceptions, says Bob ­Nelson, author of 1,501 Ways to Reward ­Employees. The biggest, he says, is the idea that morale would improve if only retailers paid their employees more. When ­creating a culture of engagement, a higher hourly rate doesn’t necessarily result in increas