When a government takes over full or majority control of previously private economic activities, property or other assets.
Nominal Value
For bonds, stocks and other certificates, the 100% value at time of issuance and - for most bonds - at redemption. In between, real values might be well below or above nominal values.
Nouriel Roubini
Professor of economics at New York University's Stern School of Business, also chairman of RGE Monitor, an independent economic consulting firm. Roubini was among the first to call the current economic developments unsustainable, pointing out the risks of a major correction. Because of his early warnings that went mostly unheard, he is sometimes also referred to as 'Dr. Doom'.