Willingness to Pay for Cleaning up Road Dust in Vientiane (Report‪)‬

INTRODUCTION Vientiane has an area of 3920 [Km.sup.2] and a population of 667,000 (density of 171 person/[Km.sup.2]). It has the fastest growing economy and population in Laos. Average economic growth in the city was more than 10% and population growth was about 5% over the past 5 years (VC, 2009). This growth has accelerated public and private construction activities in city and is one of the most important causes of dust on urban roads.