The United States has extended the duration that unemployment insurance (UI) benefits can be received during every recession in the last half century. In the recession of the early 1990s and 2000s Congress extended UI benefits by 27 and 20 weeks respectively, at a cost of $37.1 and $23.4 billion...

The standard vector error correction (VEC) model assumes the iid normal distribution of disturbance term in the model. This paper extends this assumption to include GARCH process. We call this model as VEC-GARCH model. However as the number of parameters in a VEC-GARCH model is large, the...