Risk apportionment: The dual story

Risk-taking: behind the warrior gene story.

In 2006, the monoamine oxidase-A gene was widely reported in the media as being associated with risk-taking and aggressive behaviour in Māori. We examine the scientific evidence underlying this claim. Whilst there is credible evidence for a contribution of a monoamine oxidase-A genetic variant to antisocial behaviour in Caucasians, there is no direct evidence to support such an association in M...

The Arithmetic of Apportionment

Every 10 years census data force the United States Congress to reapportion the House of Representatives, to ensure fair representation. Even though apportionment appears to be a simple act of arithmetic, disputes about the proper basis for apportionment have led, among other things, to the first use of a presidential veto in U.S. history. Moreover, malapportionment resulting from these disputes...

Source apportionment

Non-methane hydrocarbons source apportionment at different sites in Mexico City during 2002–2003 E. Vega, G. Sanchez, and L. Molina Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas Nm. 152.Col, San Bartolo Atepehuacan, Delegación Gustavo A. Madero, 07730, México, D.F., Mexico Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, ...

Apportionment JWR

Stochastic Apportionment

Geoffrey Grimmett Abstra t. The problem of how to allocate to states the seats in the US House of Representatives is the most studied instance of what is termed the ‘apportionment problem’. We propose a new method of apportionment which is stochastic, which meets the quota condition, and which is fair in the sense of expectations. Two sources of systematic unfairness are identified, firstly the...