When it comes to talking about money in the office, few topics are as important – or as potentially risky – as salaries. Is it ever appropriate to ask colleagues what they make? Who can help you find out if you’re making a competitive salary? What’s the best way to ask for a raise?

In our fifth installment of “Financial Etiquette: Workplace Edition,” LinkedIn’s career expert, Nicole Williams, shares some advice for discussing salaries constructively and respectfully.

What sources do you use to research the competitiveness of your salary? What’s your strategy for asking for a raise?