Összefoglaló. Egy 47 éves nőbeteg tranziens ST-eleváció miatt került felvételre és coronarographiára. A ST-elevációnak véleményezett elektrokardiogram poroszsisak-jelnek felelt meg, amelyet egy EKG-műtermék okozott. Habár a számtalan, nem coronariaeredetű oka ismert, műtermék okozta poroszsisak-jelet még ismertettek. Fontos felismerése felesleges diagnosztikai terápiás beavatkozások elkerülése ...

Knowledge Graphs have emerged as a compelling abstraction for capturing key relationship among the entities of interest to enterprises and integrating data from heterogeneous sources. JPMorgan Chase (JPMC) is leading this trend by leveraging knowledge graphs across organization multiple mission critical applications such risk assessment, fraud detection, investment advice, etc. A core problem i...

a r t i c l e i n f o JEL classification: C53 G17 Keywords: GARCH Higher conditional moments Approximate predictive distributions Value-at-Risk S&P 500 Treasury bill rate Euro–US dollar exchange rate It is widely accepted that some of the most accurate Value-at-Risk (VaR) estimates are based on an appropriately specified GARCH process. But when the forecast horizon is greater than the frequency...

The O-Ring theory is used to analyze the emergence of ̄rms organized as partnerships. The owner-managers of such entrepreneurial ̄rms bene ̄t from ability matching within their production teams. However, they must bear the project risk. Risk-aversion then induces a second-best solution. Integrated ̄rms managed on behalf of riskneutral residual-claimants face information and/or enforcement problem...