Cholesteatoma either by metaplasia of the middle ear mucosa or by traumatic implantation of ear canal or tympanic membrane skin. In addition, cholesteatoma inadvertently left by a surgeon usually regrows as an epidermal cyst. Some authors have also suggested hereditary factors. More commonly, keratin accumulates in a pouch of tympanic membrane which extends into the middle ear space. This abnormal folding or 'retraction' of the tympanic membrane arises in one of the following ways: Cholesteatoma may also arise as a result of metaplasia of the middle ear mucosa or implantation following trauma. Cholesteatoma is diagnosed by a doctor by physical examination
Economy for the Common Good the common good. Companies receive more points in this balance sheet when, for example, employees are satisfied with their jobs or when the top managers do not receive exorbitantly more than the lowest paid worker. Economy for the Common Good Economy for the Common Good is a social movement advocating for an alternative economic model. It calls for working towards the common good and cooperation as value above profit-orientation and competition which leads to greed and uncontrolled growth. Christian Felber coined the term in his book "Die Gemeinwohl-Ökonomie - Das Wirtschaftsmodell der Zukunft", published in 2010. According to Felber, it