Newly developed and advanced methods for nonlinear time series analysis are in general not available in standard software packages. Moreover, their implementation requires substantial time, computing power as well as programming skills. The recent results on lag and bandwidth selection methods...

Contracts serve an important function: allocation of risks. In achieving this function, contractual parties routinely include a force majeure clause in their contracts to be excused from performance in the face of a supervening event. But what events qualify to excuse performance and how have...