$1)$ What are the sources of Wal$-$Mart$$s competitive advantage in discount retailing? Make sure you provide evidence on how each of these helped create competitive advantage by driving a bigger wedge between WTP and cost.

$2)$ How sustainable are those advantages? $($simply list the sources of advantage you identified in question $1,$ and discuss their sustainability$).$ Make use of the assigned reading. $(*)$

$3)$ Should Walmart respond to Target? If so$,$ how?

$4)$ How should Walmart respond to Amazon$$s superior performance in recent years? $(*)$