Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. In economics, demand is the consumer's ...

Demand is what the consumer can and is willing to buy at a given price over a given time period. Analyzing demand is a complicated process that takes into account many variables. Economists and ...

This article obtains demand functions for risky assets without making a priori assumptions about the form of the utility function. In a simple portfolio model, the envelope theorem is applied to the ...