What is unique about Costco’s channel management process? What components can other retailers borrow or implement?

Its quick purchase and distribution of products and impeccable marketing.

Other retailers could implement or borrow are their branding strategies and eliminate costly and expensive management steps.

Explanation:

One of the main elements of Costo's success is its efficient and extremely competitive marketing strategy. In addition to this, product management strategies were also extremely effective in this company. This is because Costo manages the purchase and distribution of its products very quickly, preventing their shortages. This is done through purchases made in direct contact with suppliers, who send the products directly to the company's warehouses, which causes numerous steps in the supply process (made by producers and intermediaries) to be eliminated, thus ensuring speed and less economic expense.

answer; is usually (less than) the socially optimal level of consumption;

answer; /// the use of a bank credit card to make purchase;