Resources for the Future Pizer and Kopp. 3. cost to the economy.5 This is the notion of cost most often described by economists (e.g., Harberger 1971; Diamond and Mirrlees 1971). Defining and estimating Ci ()az, is far from trivial.
For stepping stones that are going to see a lot of use, you should consider using reinforced concrete so that your stepping stones are more durable. This type of concrete also sells at most hardware stores, often under the names gravel mix reinforced or fiber reinforced premixed concrete..
Stepping stones and landscape rocks. Hi, this is my first time here, and my first time trying to do this type of project. I laid some stepping stones from our patio to the back gate. I put landscape rocks between the stones. I am trying to figure out how to make the rock stay put. I have to sweep the stones back into place everyday when I get home.