Hedonic pricing models use property value differentials to value changes in environmental quality. If unmeasured quality attributes of residential properties are correlated with an environmental quality measure of interest, conventional methods for estimating implicit prices will be biased....

Nowadays, several Apps record real-time data from social networks that enrich users' decision making. We argue that these data may also be used to better inform policy makers in the absence of monitoring data or as a complementary tool of measurement systems. This is the case of Waze, an App...

Using a (second stage) hedonic housing model, this paper identifies an inverse demand function for air quality in Bogota, the fourth most polluted city in Latin America (annual average of PM10 52 mg/m3). We use precipitation and distance to monitoring stations as instruments for pollution. We...