according to studies by 2050 more than 15 percent of world people, most of them are in the middle east and africa will experience severe water crisis. future water crisis is one of the most potential for international conflict and security challenges that have the potential to become a major international crisis. iran as a country with abundant water stress and is located in the critical region...

The Messinian Salinity Crisis (MSC) was a marked late Neogene oceanographic event during which the Mediterranean Sea evaporated. Its causes remain unresolved, with tectonic restrictions to the Atlantic Ocean or glacio-eustatic restriction of flow during sea-level lowstands, or a mixture of the two mechanisms, being proposed. Here we present the first direct geological evidence of Antarctic ice-...

With respect to the recent financial crisis, the authors argue that the appropriate adjustments to portfolio allocations in response to the market dislocation are determined by equilibrium considerations (supply must equal demand) and depend on individual investors’ characteristics relative to societal averages. Using a simple model that captures the magnitude of the recent crisis, the authors ...

G. S. Hall's (1904) view that adolescence is a period of heightened "storm and stress" is reconsidered in light of contemporary research. The author provides a brief history of the storm-and-stress view and examines 3 key aspects of this view: conflict with parents, mood disruptions, and risk behavior. In all 3 areas, evidence supports a modified storm-and-stress view that takes into account in...

We build a simple model of banking in the presence of macroeconomic shocks where the comparative roles of private and public monitors can be analyzed. This model provides endogenous justifications for prudential regulation (capital requirements) and emergency liquidity assistance by the Central Bank (lender of last resort). We show that market discipline can be helpful, but does not solve the f...

2 Márquez, Gustavo. Labor markets and income support : what did we learn from the crises / by Gustavo Márquez.

BACKGROUND Previous research showed an increase in Australian suicide rates during the Global Financial Crisis (GFC). There has been no research investigating whether suicide rates by occupational class changed during the GFC. The aim of this study was to investigate whether the GFC-associated increase in suicide rates in employed Australians may have masked changes by occupational class. MET...