Explains how the IRS defines self-employment, including sole proprietors, contractors, partners, and gig workers, and clarifies who must comply with SE tax ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Mixed economies allow private ownership but include some government ...

The Economic Justice and Rights Division works to build just economies based on respect for human rights. We investigate how the global economic system both drives inequality that undermines human ...

In 2023, the average household spent about $3,933 on dining out and $3,635 on entertainment, according to the Bureau of Labor ...

Paying employees accurately and promptly is one of the most critical—and challenging—parts of running a small business. We ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Pete Rathburn is a copy editor and ...

Abstract: We present a model predictive control (MPC) formulation to directly optimize economic criteria for linear constrained systems subject to disturbances and uncertain model parameters. The ...

Frontiers' collaborative peer review is unique and quality-focused. Read on for a guide for reviewers on what to expect of our peer review process. What is Frontiers' peer review model? Frontiers ...