In economics, the utility function measures the welfare or satisfaction of a consumer as a function of the consumption of real goods, such as food or clothing. Utility function is widely used in ...

Marginal utility helps set product pricing; high initial satisfaction decreases with more units. Some stores use bulk pricing when consumers value additional items less. Progressive taxes assume each ...

As the cost of electricity outpaces inflation, consumer advocates are sounding alarms about the risks to low-income people ...

Winter is officially here, which means you’ll likely have to crank up the heat in your house to stay warm at some point in the next few weeks. But what if a utility company shuts your power off?

PITTSBURGH (KDKA) — Pittsburghers' gas and electric bills are likely showing some spikes after last month's winter blast. It may have some people wondering how they're going to afford to pay their ...

Electricity costs are, on average, 5.5% higher today than a year ago, and there are a few different reasons for the increase.