In the fishing-boat game of Section 3.B, we showed how it
is possible for there to be a uniquely rationalizable outcome in continuous
strategies that is also a Nash equilibrium. However, this is not always the
case; there may be many rationalizable strategies, and not all of them will
necessarily be part of a Nash equilibrium. Returning to the political
advertising game of Exercise S1, find the set of rationalizable strategies for
party L. (Due to their symmetric payoffs, the set of rationalizable strategies
will be the same for party R.) Explain your reasoning.