Community good news

No News is Good News

It seems plausible that an increase in stock market volatility raises required stock returns, and thus lowers stock prices. We develop a formal model of this volatility feedback effect using a simple model of changing variance (a quadratic generalized autoregressive conditionally heteroskedastic, or QGARCH, model). Our model is asymmetric and helps to explain the negative skewness and excess ku...

NO news is good news.

hiv/aids good news and bad news

The Good News and the Bad News

There is much that is attractive about Michael Burawoy’s examination of the critical turn to a public sociology. I find plausible his account of the academic nature of 1970s radical sociology especially that mobilized notions such as Althusser’s “theoretical practice.” I also was cheered to read the account of the positive developments currently in train in the USA and especially with how socia...

NO news is good news for plants.

The organization of redox signaling and the use of nitric oxide (NO) to transmit information, modulate biological processes or create cellular damage are highly complex. Recent reports provide an exceptional picture of NO production, of the regulation of NO bioactivity through detoxification reactions and of biochemical events by which NO transduces signals into cellular responses, in particula...