$2.$ Based on your reading, experience and our course videos, which is the most compelling explanation $($i$.$e$.,$ model or framework$)$ of the factors that determine a firm's level of performance? $($i$.$e$.,$ which model, concept or framework does the best job explaining a company's success or failure?$)$KILLS$3.$ Which is the least compelling explanation of a firm's success $($based on your reading, experience and the course videos$).$ Defend your answer in detail$\mathrm{.}4.$ Why should you or do you care $($or not$)$ about the causes of a firm's performance? In other words, does any of this stuff really make a difference in YOUR life?