Most statistics of tourism demand represent the best estimates available rather than an absolute value. Which of the following is not considered one of the broader benefits of being a 'best estimate'? a. They enable the effect of decisions or changes to be monitored b. They provide a means of making forecasts c. They assist in providing a platform of data to inform policy d. The danger of planners responding to (possibly false) warning signs which can be influenced anyway by management intervention e. They assist in the publication of economic data for the public to access