Milan Markovic / Getty Images Very few financial products have generated as much controversy as variable annuities. Many brokers and planners view them as indispensable retirement planning tools ...

Inductorless SRs, also called “charge pump converters” (figure 2), have been known to be less efficient than their inductor-based counterparts when used with a variable input voltage. However, this is ...

These expenses can be divided into different categories. Direct costs and variable costs are two types of costs associated with the production of goods and services. Although they are similar in ...