Applies rate regulation to all health insurance offered by managed care plans, providing that rates “shall not be excessive, inadequate, or unfairly discriminatory and shall be reasonable in relation to the costs of the benefits provided.” Managed care plans must file proposed rates with the commissioner of insurance for approval. Additionally, no manage care plan may attempt or actually monopolize an insurance market, engage in a boycott of an insurance market, or make an arrangement that has the effect of restraining trade unreasonable or of substantially lessening competition in the business of insurance.