When we discuss bending the health care cost curve, two questions arise: “Which curve?” and “Short run or long run?” In this post, I focus on the curve represented by the growth rate in national ...

Marginal cost is the added expense of producing one more unit. A horizontal marginal cost curve indicates consistent production costs. Businesses may aim to maintain horizontal costs to stabilize ...

The Phillips curve essentially describes the relationship between wage inflation and unemployment as an inverse one, suggesting that reduced inflation accompanies rising unemployment. This principle ...

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 ...