THE ASSUMPTION THAT THE CORRELATION BETWEEN THE TEMPORAL ERROR TERMS ∈ t AND ∈t-n DECLINES AS n INCREASES CAN BE JUSTIFIED BY APPEALING TO FIRST OR SECOND ORDER MAR-KOV PROCESSES OR TO SPECTRAL ANALYSIS, BUT A SIMILAR ASSUMPTION CANNOT BE JUSTIFIED FOR SPATIAL ERROR TERMS. THIS...

Objective: To develop and implement a quality assessment instrument to evaluate cost estimates in economic evaluation studies. Design and setting: The assessment instrument was devised through a consensus process. The instrument was developed in the process of estimating a national set of...