If an event is non-systemic it can be treated in isolation. In the case of the debt crisis, the debt problems of countries can and should be treated as a series of individual problems and not as a systemic problem affecting the euro area as a whole.
Monthly shipments of computers and peripherals, for example, fell by about 40 percent from their peak in 1999 through their trough in 2001. Sales by communications equipment producers slumped just as sharply. Outside the high-tech sector, production also declined. Assemblies of commercial aircraft slowed abruptly. In addition, the construction of office and industrial buildings fell off noticeably.