在互联网上冲浪，在澳大利亚柜台（OTC）有大量的感冒药，例如Vicks Vapo Steam，Strepsils，Bosisto’s Eucalyptus Inhalant，Fess鼻凝胶，Lemsip感冒液片，Zorivax抗病毒感冒疮，等等。由于医学不能对感冒和流感进行适当的治疗，所以有很多补救措施来对付这种病毒。还有一些公司正在为感冒病毒生产各种合适的药物，这些病毒的性质和病人的年龄。如Blackmores，senegar和brauer是专门为年幼的孩子打击严重的寒冷，而维克斯和strepsils被广泛用于成人胸闷和喉咙痛。
积极生产感冒和流感药物的顶级公司是Procter and Gamble，这是维克斯和利兹生产的链球菌生产商利洁时（Reckitt Benckiser）的生产商。这些公司并不完全竞争，因为完美完成的三个因素中有两个没有被市场满足。然而，制冷剂行业有很多买家和卖家，而产品的生产是非均质的，而不是同质化的，这是完全竞争的特点。药物是根据它必须处理的感冒强度的性质而生产的。最后，无论完全竞争的特征如何，广告都需要广告成本没有或者最少。而且，由于竞争激烈，需求缺乏弹性，制药行业利润空间大，公司利润超常。这种市场在于寡头竞争的种类。这种竞争的特点是：
Surfing on the internet, a plenty of cold medication available in Australia over the counter (OTC) has been found such as Vicks Vapo Steam, Strepsils, Bosisto’s Eucalyptus Inhalant, Fess Nasal Gel, Lemsip cold & flu liquid tablets, Zorivax antiviral cold sore, etc. As medical cannot come up with a proper treatment for cold and flu, there are number of remedies to fight for the virus. There are some of the companies’ producing the wide range of suitable medications for the cold viruses, respective of the nature of the disease and age of the patients. Such as Blackmores, senegar and brauer are especially designed for young children to fight severe cold, while Vicks and strepsils are widely used for chest congestion and sore throats for adults.
The top companies that are actively producing the medications for cold and flu are Procter and Gamble, the manufacturer of Vicks and Reckitt Benckiser, the manufacturer of Strepsils. The companies are not in perfect competition, because two of the three factors of the perfect completions are not being satisfied by the market. However, there are a number of buyers and seller of the cold medication industry, but the production of products is heterogeneous instead of homogenous as the characteristic of perfect competition. Medicines are produce according to the nature of the intensity of cold it has to deal with. Finally there is a need of advertising irrespective of the characteristics of perfect competition to have no or least advertising cost. Moreover, the companies are enjoying supernormal profits as pharmaceutical industries are enjoying high profits because of intense competition and inelastic demand. This kind of market lies in the categories of oligopoly competition. The characteristics of such competition are:
- Differentiated products
- Barriers to entry
- Interdependence in decision-making
- Perfect knowledge