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..
Footings are easy to dig but they're never neat because of the granite shards. I have two options for the pad. I can do a monolithic pour or I can build a stem wall on footings and pour a slab on grade. If I do a mono pad my concrete guy does all the work but I have to frame on the pad.