A recently appointed director of a public listed company claims the following.

(a). The directors of public listed companies in Sri Lanka should only concentrate on monitoring and supervising of their companies.

(b). All public listed companies in Sri Lanka should adopt the continental European two-tier board system due to its superior structure in governing a company.

(c). The systems of corporate governance are converging all over the world and are becoming similar in the world.

(d). Corporate governance mechanisms are implemented only to address the agency problems faced by a pubic listed company.

Critically evaluate each of the above statements made by the director.