An investor holds a very conservative portfolio invested for retirement, but she takes some extra cash she earned from her year-end bonus and buys gold futures. she appears to be engaging in
a. overconfidence
b. representativeness
c. forecast errors
d. mental accounting

(d) Mental accounting

Explanation:

Mental accounting is an idea in the field of conduct financial aspects. it battles that people order reserves distinctively and hence are inclined to nonsensical basic leadership in their spending and speculation conduct.  

As indicated by the hypothesis of mental bookkeeping, individuals treat cash in an unexpected way, contingent upon elements, for example, the cash's root and expected use, as opposed to considering it regarding the "reality" as in formal bookkeeping

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;

answergoing to the symphony;