The political crisis of the American state: the unsustainable state in a time of unraveling / Lawrence R. Jacobs, Desmond King -- Is inequality a threat to democracy? / John Ferejohn -- The resilient power of the states across the long nineteenth century: an inquiry into a pattern of American...

We consolidate alternative ways for identifying stable and stressful scenarios in the S&P 500 market to construct contagion tests for recipient markets vulnerable to disturbances from this source market. The S&P 500 is decomposed into discrete conditions of: (1) Tranquil versus turbulent...