Response rates
Owing to the following reasons:
1. Enterprise closed, different one is acting at the same address
2. Enterprise closed, no enterprise at the same address
3. Entrepreneur rejected the interview
4. Entrepreneur was not available
5. Temporarily closed,
The number of interviews in the main survey fell to 3,852 in the follow-up survey. Unfortunately, it was not possible to generate information on the enterprises that had been closed or that disappeared in the course of a year. The survey team could not determine the cause of the closing down; whether they moved to a different location and continued to survive or closed permanently. Liedhold and Mead (1999:24) consider this the indeterminacy of the cause as an inevitable outcome of the follow-up surveys.