Discover how to calculate variable overhead spending variance, its impact on costs, and examples of favorable vs. unfavorable variances in business operations.

A variable speed limit system changes the max speed limit throughout the day. Instead of a static limit, it's based on road ...

Many people are sold a variable annuity with the understanding they will receive a lifetime income stream, which sounds like a good idea when planning for retirement. The truth is there usually is a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

While I discussed a variety of ways that insurance companies manage the risks around supporting lifetime income guarantees, fees are the headline mechanism for managing the guarantee risk. Fees can be ...

These policies let you invest your cash value directly in mutual fund-like accounts, but they also carry risks if the investments lose money Written By Written by Insurance Staff Writer, WSJ | Buy ...

Saving money is a critical part of financial planning, and finding the right savings account is just as important. One of the things to consider when choosing a savings account is how interest is ...

You've probably noticed the term "variable APR" on your credit card agreement or on credit card offers you've received online and in the mail. But what exactly is a variable annual percentage rate?

The way central bankers put their objectives into practice is influenced by the star variables. Specifying a target for ...

Our team collected more than 60,000 sample quotes from life insurance companies using unique user profiles to give readers an accurate view of pricing across competitors. We gather quotes for ages 18 ...

What is VVL? What is VVT? How does VVL/VVT work? What is variable valve lift? What is variable valve timing? We're going to ...