"regulatory shortcomings" is perfectly correct and usable in written English.
You can use it whenever you want to refer to the inadequacy or insufficiency of a particular system of regulations. For example: "The recent scandal revealed the regulatory shortcomings of the financial sector and prompted calls for urgent reform."
Some regulatory shortcomings may be chalked up to innocent mistakes and failures to spot problems.
This reflects institutional and regulatory shortcomings as well as limited foreign participation in Asian bond markets.
The financial crisis taught us the hard way that regulatory shortcomings have global consequences.
And regulatory shortcomings in the financial sector have not strengthened the case for excessive employment-protection legislation or the protection of service sectors.
But today, on the anniversary of the collapse of Enron -- which began a wave of stunning corporate failures that exposed severe regulatory shortcomings -- the commission is struggling to maintain its role as protector of investors against abuses in the marketplace.
Mr Turner argued that the regulatory shortcomings, shared by both the FSA and the Bank of England, were rooted in a more profound intellectual failure to grasp the risks that were building up in global finance.
The chapter in the report is quite explicit about German shortcomings: "regulatory protection of incumbents in service sectors not open to international competition remains elevated".
The recent debates over H5N1 experiments highlight current shortcomings in regulatory systems.
Ford's handling of the ignition complaints points up the shortcomings of a regulatory system that, short of manpower, relies heavily on the candor of the auto companies.
He was in the club, too, and Barclays' shortcomings on the regulatory front could even be considered modest when set against JP Morgan's during the whale incident.
Through that job, I began to see the shortcomings of the regulatory policies around sustainability, and became really interested in how policy works and what role it plays in the whole system.
