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..
Stamped concrete serves as a low-cost alternative to other materials for paving and decorating. When properly installed, the concrete takes on the appearance of a more expensive material, including slate or brick. Installers can also make stamped concrete look like brick pavers or field stone.tamped concrete serves as a low-cost alternative to other materials for paving and decorating. When properly installed, the concrete takes on the appearance of a more expensive material, including slate or brick. Installers can also make stamped concrete look like brick pavers or field stone.