Nikolaus A. Siegfried

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OBJECTIVE The aim of this study was to assess the experience, knowledge and attitudes of mental health staff regarding patients' problematic drug and alcohol use in order to provide direction for planned drug and alcohol education. METHOD A 47-item questionnaire was developed and individually posted to all mental health staff employed by Central Sydney(More)
Crude oil is a homogeneous good traded on specialised exchanges and quoted and invoiced predominantly in US dollars. Despite the strong case for the use of the US dollar as a vehicle currency in the oil trade, we provide an alternative view. We develop a simple network effects model to identify the conditions under which either a complete switch in the oil(More)
  • N Siegfried
  • 1998
OBJECTIVE The aim of this paper is to critically review the literature on major mental illness and problematic substance use in order to provide clinicians and policy-makers with evidence to support proposed directions for management of the above. METHOD The available literature was accessed using computerised databases and manual searching. RESULTS The(More)
Over 50% of people with a severe mental illness also use illicit drugs and/or alcohol at hazardous levels. This review is based on the findings of 25 randomized controlled trials which assessed the effectiveness of psychosocial interventions, offered either as one-off treatments or as an integrated or nonintegrated program, to reduce substance use by people(More)
In 2007 all ECB publications feature a motif taken from the €20 banknote. 1 This paper was written when N. Siegfried was an economist and E. Simeonova and C. Vespro were trainees at the ECB. We thank the ECB staff for their warm welcome and support. The views expressed here are those of the authors and do not necessarily represent those of the European(More)
We offer some empirical evidence on the likely scale of control and indicator problems surrounding alternative monetary targets and a direct inflation target. The links between monetary policy actions and inflation are estimated in dynamic linear models using the Kalman filter. We compare alternative intermediate-target and final-target monetary strategies(More)
Recent research has established a positive and causal link between financial development and economic growth in the long run. For this reason, financial sector reform has been regarded as conducive to faster growth in transition countries. In Southeast Europe, however, reform efforts in the first half of the 1990s failed to prevent inflationary finance in(More)
and Peter Winker for helpful suggestions and comments. The opinions expressed in the paper are strictly personal and should not be taken as indicative of any official position. All remaining errors are of course our own. Abstract For the sake of credibility the ECB has to commit to a clear policy strategy-a direct inflation target or an intermediate(More)