A. They have innate ability in these music fields.
B. They spend more time in these limited fields.
C. They learn them from their ancestors.
D. They practice them through listening to tapes repeatedly.
A. The collective wisdom is more than an individual's.
B. The crowd may have more information of product.
C. The seller have more wisdom than the buyer.
D. The seller know more than the buyer of the product information.
A. figure out whether bandwagon behavior is also popular in labor markets
B. test the difference of applicants with similar backgrounds, education and experience
C. test the fictitious CVs for 3,000 clerical, administrative, sales and customer-service jobs
D. figure out how the bandwagon behavior affect the choice of employee
A. employers found some qualitative flaw in the longer-term unemployed
B. people make less effort to find work as their unemployment time lengthens
C. lengthening unemployment is equated with failing productivity
D. call-back rates declined clearly when higher unemployment prevailed