1. Does the Measurement of Environmental Quality Affect Implicit Prices Estimated from Hedonic Models?
2. The professional secchi disk is made of 1/4” acrylic with a diameter of 20 cm. It has a standard quadrant pattern of two white and two black quadrants. The disk is attached to an open-reel fiberglas measuring tape. The tape's markings are metric, in increments of meters, centimeters, down to 2 millimeters. The disk is lowered into the water until it disappears, and water clarity can no longer be measured. The top marking on the tape is read as the clarity of the water in meters and is the unit of measurement used for water clarity changes in this study.
3. The Effect of Water Quality on Rural Nonfarm Residential Property Values.;Epp;American Economic Review,1979