Which of the following is true of the Ghemawat & Rivkin reading? One of its goals is to enhance Porter's Five Forces framework. One of its goals is to explain fluctuations in industry average profits over time. One of its goals is to explain magnets. I mean, how do they work?!@?#!? One of its goals is to explain industry average profits. One of its goals is to explain differences in profitability among firms in an industr