Human capital theory postulates that investment in people represents an investment in their productive capacity, whether it be in the form of formal educational training or on-the-job training. Today few, if any, occupations require no investment in human capital. An example is marketing...

Marketing practitioners nowadays often have to base important management decisions on information obtained in research surveys conducted in shopping malls. The shopping mall-intercept survey is a very popular method used by research agencies to gather information of almost all kinds. While the...