We investigate the role of networks of alliances in preventing (multilateral) interstate wars. We first show that, in the absence of international trade, no network of alliances is peaceful and stable. We then show that international trade induces peaceful and stable networks: Trade increases the density of alliances so that countries are less vulnerable to attack and also reduces countries' in...

he short answer is yes. At this oint in time, it seems that the soalled slice wars with regard to the umber of slices provided per comuted tomographic (CT) gantry roation may be reaching a plateau. At he same time, increasing concerns bout radiation dose due to CT exminations are fueling the efforts to educe radiation dose and leading o the beginning of the so-called ose wars. Since 1998, there...