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 ...

1. An indifference curve is defined as a set of bundles that a consumer with a given income can afford, and among which she or he is indifferent. 2. More is preferred to less means that if the total ...

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 ...