activity
20002013
most citedSymmetry breaking and coarsening in spatially distributed evolutionary processes including sexual reproduction and disruptive selection

37 citations · 85 across the 6 of their papers we have counts for

collaborators

7 papers

physics.soc-ph2013

South African Riots: Repercussion of the Global Food Crisis and US Drought

Yavni Bar-Yam, Marco Lagi, Yaneer Bar-Yam

High and volatile global food prices have led to food riots and played a critical role in triggering the Arab Spring revolutions in recent years. The severe drought in the US in th…

physics.soc-ph2012★ 3 cited

UPDATE July 2012 | The Food Crises: The US Drought

Marco Lagi, Yavni Bar-Yam, Yaneer Bar-Yam

Recent droughts in the midwestern United States threaten to cause global catastrophe driven by a speculator amplified food price bubble. Here we show the effect of speculators on f…

physics.soc-ph2012★ 8 cited

UPDATE February 2012 - The Food Crises: Predictive validation of a quantitative model of food prices including speculators and ethanol conversion

Marco Lagi, Yavni Bar-Yam, Karla Z. Bertrand +1

Increases in global food prices have led to widespread hunger and social unrest---and an imperative to understand their causes. In a previous paper published in September 2011, we…

physics.soc-ph2011★ 6 cited

Modeling Policy and Agricultural Decisions in Afghanistan

Michael J. Widener, Yavni Bar-Yam, Andreas Gros +2

Afghanistan is responsible for the majority of the world's supply of poppy crops, which are often used to produce illegal narcotics like heroin. This paper presents an agent-based…

q-fin.GN2011★ 10 cited

The Food Crises: A quantitative model of food prices including speculators and ethanol conversion

Marco Lagi, Yavni Bar-Yam, Karla Z. Bertrand +1

Recent increases in basic food prices are severely impacting vulnerable populations worldwide. Proposed causes such as shortages of grain due to adverse weather, increasing meat co…

q-fin.ST2010★ 21 cited

Networks of Economic Market Interdependence and Systemic Risk

Dion Harmon, Blake Stacey, Yavni Bar-Yam +1

The dynamic network of relationships among corporations underlies cascading economic failures including the current economic crisis, and can be inferred from correlations in market…