Tympanic membrane retraction caused by erosion of the ossicles (hearing bones). Discharge from the ear often indicates that the retraction pocket has developed into a cholesteatoma. Three factors must occur for the tympanic membrane to become retracted: When gas pressure within the middle ear is less than atmospheric pressure, the eardrum can become sucked into the middle ear space. This is caused by inadequate opening of the Eustachian tube and absorption of air from the middle ear space. People with a patulous Eustachian tube may also cause negative middle ear pressure by repeatedly sniffing to try to keep their Eustachian tube closed. The
Economy for the Common Good 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 makes much more sense for companies to create a so-called "common good balance sheet" than a financial balance sheet. The common good balance sheet shows the extent to which a company abides by values like