The costs to the buyers on shopping by using online platforms is zero while the costs to the sellers in participating in these online markets are almost zero (and negligible relative to the large sales volume). The costs of exiting these market platforms for sellers is zero. Assume that the costs of shipping and transactions costs are zero and let us consider the product hand sanitisers in an online global market.

Question: Under what market structure does the market for hand sanitizers fall into? Justify your answer by referring to the four key characteristics of the relevant market type (6 marks)