Existence Of Feedback Research Articles

Employment protection for whistleblowers: some implications

This paper briefly explains the concept of whistleblowing and why it should be encouraged. It then outlines the effect of the Public Interest Disclosure Act 1998 and examines the recent Middlesex University research into whistleblowing procedures in local authorities. The paper establishes the prevalence of whistleblowing procedures, why they were introduced and the extent of trade union involvement. It provides examples to illustrate who can use these procedures, the types of concern that can be raised and who investigates them. Other issues discussed include: the need for confidentiality; the problems of reprisal and malicious allegations; the availability of advice and assistance and the existence of feedback. The paper also describes how information about whistleblowing procedures is disseminated, who has overall responsibility for such a procedure within organisations and the extent of monitoring and review. The paper concludes by using the research findings to make observations about good practice and recommendations for the future.

FEEDBACK INVARIANCE AND INJECTION INVARIANCE FOR SYSTEMS OVER RINGS

A straightforward extension to systems over rings of the geometric approach to many control problems is not possible, since the equivalence between invariance properties and existence of feedbacks or output injections no longer holds. In this paper new, geometric, algorithmic characterizations of (A + BF)-invariance and of (A + GC)-invariance, suitable to symbolic computer algebraic computations, are given for systems over Noetherian rings.

Money, Credit and Investment in the UK Corporate Sector

This paper investigates the interactions between investment, money holding and bank borrowing by private non-financial corporations (PNFCs). Long-run relationships are identified for investment, money and borrowing, and the dynamics indicate the existence of feedbacks from money and credit disequilibria onto investment. The results are considered to be consistent with the existence of a credit channel.