The price of a product is determined by the law of supply and demand. Consumers have a desire to acquire a product, and producers manufacture a supply to meet this demand. The equilibrium market price ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...

In humans and many other animals, specific chromosomes determine sex. But how did researchers discover these so-called sex chromosomes? Throughout the many observations that led to this conclusion, ...

Since ancient times, scientists and philosophers have pondered the fundamental question of what makes some organisms male and some female. Some hypotheses were at least plausible—Greek philosopher ...

Self-determination can be defined as, “the means for experiencing quality of life consistent with one’s own values, preferences, strengths, and needs” (Turnbull & Turnbull, 2001, as cited in ...

There are a number of reasons why we may choose a particular romantic relationship. There are also various goals individuals may choose to pursue within a specific relationship too. In addition to ...

Developed in the late 1970s and early 1980s by renowned psychologists Edward L. Deci and Richard M. Ryan, self-determination theory explores the pivotal role of motivation in shaping human behavior, ...

A letter of determination confirms a retirement plan's tax-advantaged status under ERISA. Employers using pre-approved plans generally don't need a determination letter. A determination letter doesn't ...