Concentration is the mental effort you put into a task. You might lose concentration due to distractions, lack of sleep, aging, or health conditions. Consider talking with a doctor or therapist if ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

The mileage reimbursement rate for official travel via privately owned vehicle (POV) remains the same in 2025 for permanent change of station moves. For PCS travel, the Mileage Allowance in Lieu of ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A concentration account is a deposit account at a bank used to aggregate funds from multiple ...

Of your many responsibilities as a small business owner, ensuring that your employees’ pay is calculated accurately ranks near the top of the list. That includes withholding the correct amounts for ...

Cost basis is the original purchase price of an asset. Tracking cost basis is key to tax-efficient investing. Many, or all, of the products featured on this page are from our advertising partners who ...

When cliff diving champion Blake Aldridge walks up to the edge of a 90-foot platform, like at the Red Bull Cliff Diving World Series, he knows he needs to concentrate from the moment he jumps, until ...

A calorie deficit occurs when you burn more calories than you consume. Research suggests that a 500-calorie deficit may help with weight loss, but this depends on many factors and is different for ...

Rachel Witkowski is an award-winning journalist whose 20-year career spans a wide range of topics in finance, government regulation and congressional reporting. Ms. Witkowski has spent the last decade ...