A coordination problem occurs in situations where there is no Nash Equilibrium or there is more than one Nash Equilibrium. it also occure when there is a unique but undireable Nash Equilibrium. Option (B), Option (D) and option (E) is correct answer. Solution A coordination problem occurs in situations where there is no Nash Equilibrium or there is more than one Nash Equilibrium. it also occure when there is a unique but undireable Nash Equilibrium. Option (B), Option (D) and option (E) is correct answer..