Extreme price movements in the financial markets are rare, but important. The stock market crash on Wall Street in October 1987 and other big financial crises such as the Long Term Capital Management and the bankruptcy of Lehman Brothers have attracted a great deal of attention among investors, practitioners and researchers. The recent worldwide financial crisis characterized by the substantial...

The aim of this communication is to analyse the process of estimation of the adequate time unit in financial series. The problem in time aggregation is the loss of information, that will be acceptable if it is possible to fit a financial model. We present an example of time aggregation problems in Financial Time series over the daily Deutsche Aktienindex (DAX) using three comparative methods: d...

BACKGROUND Medication oversupply is an important problem in the healthcare systems. It causes unnecessary avoidable healthcare costs. Although some studies have determined the magnitude and financial loss due to medication oversupply in western countries, they may not be applicable to Asia-pacific countries. This study aims to determine the prevalence, financial loss, and patterns of medication...

results the total number of time-loss injuries and matches missed rose from 129 and 506 respectively in 2008 - 2009 to 202 and 1110 in 2010 - 2011. following the introduction of ‘minimum medical standards’, both categories decreased (significantly for matches missed). these time-loss injuries and matches missed led to high costs of up to aud$ 37,317,029.29 (2012 - 2013 season). the same trend w...

Financial regulation is most effective when it targets the origins of the problem it seeks to remedy. This is akin to the medical adage: treat the cause, not the symptom. Identifying the causal factors driving distress in financial markets is no easy task. One complication is that the cause might lie in non-financial markets. New research on the financial crisis highlights this point. Attempts ...

This article formalizes investor rationality and irrationality, exuberance and apprehension, to consider the implications of belief formation for the fragility of an economy’s financial structure. The model presented generates a financial structure with portfolio linkages that make it susceptible to contagious financial crises, despite the absence of coordination failures. Investors forecast th...

Background: The financial and economic crisis period that prevailed along the first decade of 2000 was a global phenomenon, during which healthcare systems were under the risk of an increasing pressure, mainly due to a loss of operational financial resources and potential increases in the