Clam gulch is a very popular clamming beach in alaska. on good low tides, clammers can easily gather 60 clams (the state limit). however, cleaning and preparing the clams is a slow and labor-intensive process, if done properly. there is considerable wastage of this clam resource due to improper preparation. economists would explain this wastage by saying that

The way economists would probably explain the wastage of this clam resource is by saying that clams are free goods and are therefore subject to the tragedy of the commons effect. The tragedy of the commons effect is a theory in economics, postulated by the Victorian economist William Forster Lloyd.

The tragedy of the commons effect describes a condition within a shared-resource system where each user act freely according to their own self-interest, but their collective actions ends in the depletion or spoilage of that resource, thus having a negative impact on the common good of all users. In this case, commons is taken to refer to the clam resources.